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150498 000088000

Line 6 JM4 Looper Guitar Effects Pedal Silver

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The Line 6 JM4 guitar looper pedal features over 100 jam tracks performed by A-list studio players including Jason Bonham, Tony Franklin, Carmine App...Click To Read More About This Product

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OVERVIEW

Ferocious jam tracks, top-grade looping, and hundreds of amazing tones in a performance-ready floor unit.

The Line 6 JM4 guitar looper pedal features over 100 jam tracks performed by A-list studio players including Jason Bonham, Tony Franklin, Carmine Appice, Gregg Bissonette and many more slamming the drums, thumping the bass and hacking away at guitars. It's a fully featured looper pedal with sound-on-sound loop recording.

Along with looping capabilities, the JM4 contains an instant collection of amazing tones including 200+ artist-created presets, 150+ song-based presets, 12 original Line 6 amp models, seven guitar effects, vocal effects and 36 banks for saving user-created tones.

It's a portable, heavy-duty, all-in-one effect pedal with an enormous amount of features, tones and opportunities for inspiration. Casual and serious guitarists in search of jamming, practice and performance helps will find the JM4 looper invaluable.

The JM4 supplies you with awesome Line 6 tones and effects. It provides a backdrop for players to explore different musical styles and jam with studio-quality musicians. The guitar pedal features exciting, energized jam tracks. It's like playing with a real pro band, because you are playing with a real pro band.

FEATURES
100 jam tracks by A-list studio players
Fully featured looper
Up to 24 minutes of recording time
Undo function
200+ artist-created presets
150+ song-based presets
12 original Line 6 amp models
Seven Smart Control guitar effects
Vocal effects
3-band EQ, Compressor, Delay and Reverb
Master volume
Channel volume
36 user banks

Packed with features and opportunity. Order yours today.

SPECIFICATIONS
1/4" instrument input 
1/4" aux input
XLR mic input with dedicated trim knob
1/8" CD/MP3 input
1/8" stereo headphone output
1/4" mono guitar output
1/4" stereo outputs
Reviews
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Review Snapshot

by PowerReviews
Line 6JM4 Looper Guitar Effects Pedal
 
4.2

(based on 23 reviews)

Ratings Distribution

  • 5 Stars

     

    (12)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (0)

63%

of respondents would recommend this to a friend.

Pros

  • Versatile (6)
  • Compact (4)
  • Excellent sound quality (4)
  • Good selection of effects (4)
  • Responsive (3)

Cons

  • Difficult to use (3)

Best Uses

  • Amateur recording (6)
  • Performances (6)
  • Home studio (5)
  • Outdoor events / games (4)
    • Reviewer Profile:
    • Experienced (7)

Most Liked Positive Review

 

Does more gives less

The Looper on this is excellent. You can overdub yourself playing multiple times on a single track which is nice. You can also import/export your recordings as wav files to the SD...Read complete review

The Looper on this is excellent. You can overdub yourself playing multiple times on a single track which is nice. You can also import/export your recordings as wav files to the SD card. The unit does not come with an SD card, which for the price, I think is kind of cheap on Line6's part. This unit has the same dry sounding Line6 effects that the POD units have. 36 User presets 12 Amp models, chorus, phase, reverb and a few other bells and whistles. Accessing various functions on this unit takes some getting use to. there are 3 buttons for the different functions then there is a wheel that you turn for controlling levels and finding drum kits and songs. The 4-way button is used to scroll through the menu options. I did not find it very intuitive and spent a while reading the manual before I got comfortable using it. Physically, the casing is pretty solid metal. The 4 foot buttons are solid but there is no obvious click to them when stepped on. The buttons and knobs are plastic so no telling how long they will last. The LCD screen is recessed and a definite dust and dirt trap. I have pretty much figured out how to use mine now for what I purchased it for which is the looping feature. As for the tones and amp models, I'm not a big Line6 fan so I would say they are average. I would not use this pedal live because I would be bending over all the time to adjust it and it wouldn't be worth it for me since I have other effects that I use. However for a practice tool, I think it is OK. A little over-priced and Line6 should include at least a 1GB SD card with the unit.

VS

Most Liked Negative Review

 

Not quite there yet...

If you absolutely have to have a looper the Line 6 JM4 is the only one worth having. That being said, you should be aware of what you want to accomplish with this...Read complete review

If you absolutely have to have a looper the Line 6 JM4 is the only one worth having. That being said, you should be aware of what you want to accomplish with this unit, whether it's improving your playing, songwriting, or just jamming to solidify your timing.While the unit is well-made, with the exception of some chrome plastic controls, it's use as a learning/practice tool is somewhat limited. Specifically, even though the 200+ songs and grooves are performed by A-list studio musicians, the range of music genres is so broad that you may only find a few loops/songs that suit your taste and ability. While you can change the key and tempo of pre-recorded material, you cannot change the progression, which will eventually become boring.The unit does include some common effects, but not the quality or depth you would get from other Line 6 units like the POD. You may be satisfied with these limited settings if you're just using the unit for practice.One of the nicest features of the unit is it's ability to import WAV files via it's SD card slot for jamming and working out breaks. You can record your performances and even overlay performances (sound on sound) and save the results. The manual says you can export what you've saved as a WAV file via the "Save Rec Mix As WAV To Card" but the unit I had always gave a write error when attempting to perform this task.Recordings are saved via a JAM proprietary file format. These files are not readable by your computer without a third-party conveter from the Line-6 bloggers.In summary, this unit may work for you if you're a beginner or to a lesser extent if you're a more advanced player. But if you need more variety in your practice, for about the same price I'd recommend visiting the Musician's Friend website and ordering a copy of "Band in a Box" and perhaps a small multi-track recorder to work out your songs and practice routine. The JM4 Looper tries to be a lot of things all at once and in the end does't accomplish much of anything very well.

Reviewed by 23 customers

Displaying reviews 1-20

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(16 of 17 customers found this review helpful)

 
3.0

Not quite there yet...

By Hawgly

from Colorado

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

If you absolutely have to have a looper the Line 6 JM4 is the only one worth having. That being said, you should be aware of what you want to accomplish with this unit, whether it's improving your playing, songwriting, or just jamming to solidify your timing.While the unit is well-made, with the exception of some chrome plastic controls, it's use as a learning/practice tool is somewhat limited. Specifically, even though the 200+ songs and grooves are performed by A-list studio musicians, the range of music genres is so broad that you may only find a few loops/songs that suit your taste and ability. While you can change the key and tempo of pre-recorded material, you cannot change the progression, which will eventually become boring.The unit does include some common effects, but not the quality or depth you would get from other Line 6 units like the POD. You may be satisfied with these limited settings if you're just using the unit for practice.One of the nicest features of the unit is it's ability to import WAV files via it's SD card slot for jamming and working out breaks. You can record your performances and even overlay performances (sound on sound) and save the results. The manual says you can export what you've saved as a WAV file via the "Save Rec Mix As WAV To Card" but the unit I had always gave a write error when attempting to perform this task.Recordings are saved via a JAM proprietary file format. These files are not readable by your computer without a third-party conveter from the Line-6 bloggers.In summary, this unit may work for you if you're a beginner or to a lesser extent if you're a more advanced player. But if you need more variety in your practice, for about the same price I'd recommend visiting the Musician's Friend website and ordering a copy of "Band in a Box" and perhaps a small multi-track recorder to work out your songs and practice routine. The JM4 Looper tries to be a lot of things all at once and in the end does't accomplish much of anything very well.

(12 of 12 customers found this review helpful)

 
2.0

Terrible A/D & D/A- Bad Sound

By NateDay

from Ontario, CAnada

About Me Experienced

Pros

  • Compact Design
  • Well built Looks decent

Cons

  • Poor Sound Quality
  • Terrible Sound Quality

Best Uses

  • Events
  • Performances
  • Rehearsal

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

Save your money. This thing sounds terrible. And for audio equipment- I'm pretty sure that's all that matters. I have tried for months to get this thing to sound better but there is so much noise I wouldn't even attempt to use this thing live.

(12 of 14 customers found this review helpful)

 
4.0

I don't know...

By Sebforget

from Calumet Island, Qc

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

I don`t know about this thing. First of all, I bought the JM4 for acoustic live shows to add rhythm tracks and percussive sounds. I?ve given up on this for now because I can?t get anything to work right, however I admit to being a newbie on acoustic live set-ups. But trying to get the JM4 to work without using the amp modeler is a hassle and since I own the amps I would use using the JM4 modeler is a step backwards. If you don`t have the money and you enjoy using lots of different sounds Line6 products are a great idea, otherwise the modeling simply sounds weak. The effects are insanely over the top, I can only use them on the 0 or 1 bar out of about 50 and the effect is still too pronounced! Unless you?re trying to mask bad playing with them the effects are useless ;).On the positive side and although I?m disappointed with the live applications I have discovered that I love using the JM4 for practice. I?m glad to see that Line6 added recordings from a variety of styles, for those who like to broaden their horizon. It is true you don?t get much selection from a specific style of music but since you can change the pitch and speed of the song you can make it sound new and you can always record your own with a drum track. It?s hard to get a band to accompany you every day and repeat the same repetitive patterns while you practice your chops and I always found that using recordings is limited. With the JM4 I can start, stop, loop and record all with my feet. I also use the JM4 to record new material when brainstorming ideas. I found that the JM4 is the easiest way to practice and record ideas. All you need is the JM4 a guitar and some headphones. I don?t think I?ll ever use the JM4 live, but has a practice tool it?s easy to use and has really improved my playing.

(12 of 13 customers found this review helpful)

 
4.0

Does more gives less

By Grandpa's Revenge

from Los Estados Unidos

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

The Looper on this is excellent. You can overdub yourself playing multiple times on a single track which is nice. You can also import/export your recordings as wav files to the SD card. The unit does not come with an SD card, which for the price, I think is kind of cheap on Line6's part. This unit has the same dry sounding Line6 effects that the POD units have. 36 User presets 12 Amp models, chorus, phase, reverb and a few other bells and whistles. Accessing various functions on this unit takes some getting use to. there are 3 buttons for the different functions then there is a wheel that you turn for controlling levels and finding drum kits and songs. The 4-way button is used to scroll through the menu options. I did not find it very intuitive and spent a while reading the manual before I got comfortable using it. Physically, the casing is pretty solid metal. The 4 foot buttons are solid but there is no obvious click to them when stepped on. The buttons and knobs are plastic so no telling how long they will last. The LCD screen is recessed and a definite dust and dirt trap. I have pretty much figured out how to use mine now for what I purchased it for which is the looping feature. As for the tones and amp models, I'm not a big Line6 fan so I would say they are average. I would not use this pedal live because I would be bending over all the time to adjust it and it wouldn't be worth it for me since I have other effects that I use. However for a practice tool, I think it is OK. A little over-priced and Line6 should include at least a 1GB SD card with the unit.

(9 of 9 customers found this review helpful)

 
3.0

Half Engineered

By Joshua Burke

from Undisclosed

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

I was really excited to get this pedal only to be dissapointed. The lack of quality, engineering, and techinical support by Line 6 was dissapointing. I'll never buy another Line 6 product again
Do not buy this loop pedal for any professional sounding tone.
This pedal does a decent job looping my electric guitar. Makes my fender Deluxe sound like garbage when I try any different tone. The sound levels are all different for each tone. One will be dead quiet and you'll switch it to a new tone that will blast your ears. Line 6 should have spent more time on this pedal. The power supply died on me in less than a year and after two attempts of connecting to Line 6 in Europe for technical support to replace my supply (3 hours of waiting) they hung up on me. Not impressed with the pedal.
Power supply quit in less than a year
Not worth the money.

(7 of 7 customers found this review helpful)

 
5.0

Best Piece of Equipment for the Hobbyist

By TBay Blues

from St Petersburg

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

This is a great piece of equipment for those that don't play with a band regularly or are trying to beef up there improvisation skills. It is in fact easy to use and intuitive while at the same time gives the impression of being very solid and durable. The drum tracks are much better than those found on some "mini-studios" and the backing tracks are fun and variable enough to not get bored. The presence of the SD card slot allows you to bring in songs and backing tracks from elsewhere so your jamming options are limitless. The looper is excellent, easy to use and with the additional memory associated with the SD card you can record and layer tracks until your heart is content. An aux input allows you to mic it up as well. For those that want to jam without worrying about noise issues- the headphone jack lets you do so worry free. The amp voicings and effects sound decent through headphones but sound surprisingly good in front of a good amp. For all of the tone junkies, like everything you have to play with the settings to dial in your ideal sound. Overall this is a great piece of equipment that will bring whole new life and creativity into your practice sessions and perhaps expose you to new sounds that would otherwise require many amps and many pedals. Probably not the best looper for gigging given all of the functions and digital effects, but great for practice and jam sessions. One minor complaint: why isn't there an on/off switch?

(6 of 6 customers found this review helpful)

 
5.0

Exactly what I was looking for!

By 3donovan3

from Boise, ID

See all my reviews

Ask me a question

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

I purchased a DigiTech Jamman and was happy with it until I saw this puppy at the local GC. I did the research and returned my jamman, spent $30 more and landed this great pedal. Yes it's larger and won't fit on most people's pedal board, but it is a great pedal.It's halfway contstructed great. The chassis and foot pedals are metal but some of the buttons and knobbies are shiney plastic, a pet peave of mine.The display screen is set-in (recessed) 3/4" which makes for a nice beer trap :) so be careful and get the warranty if you have drunk-a55 bandmates like I do ;P. It uses a more standard memory type than the jamman - SD vs. cf (don't get these from the guitar store, they will rob you blind... you'll spend 5 times more than you should :( be careful.)It comes with hundreds of drum and song loops for you to play along with... damn I love this feature, it allows me to practice by playing and because there are so many here, it means more motivation to play because it's not the same thing over and over.One of the best features of this pedal is the routing split. you can have your guitar routed to your guitar amp and you can have everything else (drums or songs) routed to any stereo amp. it freakin sounds like a concert in my house when I'm jamming.One complaint I have are the built in artist tones... WTF. the output level on these are $)(*%#@'ed pardon my french but i've nearly gone deaf switching thru the artist banks. IMO these levels should be normalized... I run a multieffect pedal (korg ax1500g), a wah (behringer hellbabe), bbe sonic stomp and a marshall echohead delay in front of the pedal so I really have no need for the onboard sounds, but they are fun to play with anyway - but only if you are quick to turn down the super sonic amp blowing volume spikes.One final comment: be patient, it took me awhile to get the levels to sound right, then I realized i had to update the firmware... then I had to dial in all of the settings again :(. Update the firmware first! then dial in the pedal.Happy looping/jamming/practicing - 3d3

(5 of 6 customers found this review helpful)

 
3.0

FX Processor and Loop Song Pedal

By OttoMatick

from Seattle, WA

About Me Experienced

See all my reviews

Ask me a question

Verified Buyer

Pros

  • Versatile

Cons

  • Difficult To Use

Best Uses

  • Amateur Recording
  • Performances

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

I didn't like it and sold it off. I did not like that it had a proprietary file system, JAM. It requires that you import other sound files in WAV format. No computer connectivity. Each loop must be stored as a song. the storage process needs a better user interface. The machine boots up in FX mode with amp modeling on(hated this). Each of the 100 factory installed demo songs uses it's own amp model. I like about 7 or 8 of the 100 installed songs or loops and hated all the amp models. The volume leveling for everything must be turned down to feedbackless manageable levels before you can even use it.

I think this product was developed by a focus group. If you want an FX processor get one, if you want a band in a box song manager get one that uses common file formats like mp3 and wav without conversion to another format, if you want a pedal that captures a snipette of playing for you to play over then get that too. That is the problem with this pedal it try's to do all three of those things and ends up doing neither very good.

For me the RC-30 is a better fit to capture a guitar rhythm and then play lead or sing a verse over it, it also has USB PC connectivity and does either loops or songs. I don't need an fx processor or amp modeling. I use a chorus and compresser with boost or distortion coming from channel 2 of a tube amp. I want to hear my tube amp.

With any cell phone and a 3.5 mm stereo jack can plug into a mixer to play loops or song backing tracks or even mp3 recordings to jam with. Does anyone need a pedal to play back music through a guitar amp? If you wanted to play back thru your amp wouldn't it be less costly to get a 3.5 mm to 1/4" jack converter?

(4 of 4 customers found this review helpful)

 
4.0

Good but not great

By SedgeHammer

from Indialantic, FL

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Multi-track Looping
  • Practicing
  • Solidly built
  • Versatile Looping

Cons

  • Adjust Sound Levels
  • Difficult To Use
  • Poor Sound Quality

Best Uses

  • Amateur Recording
  • Events
  • Home Studio
  • Performances

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

The best sound quality I will get is directly through my Fender tube amp. The sound quality is significantly degraded by feeding through the jm4. Sampling the analog stream from the guitar, mixing it with digital tracks, and then feeding again to my analog tube amp degrades the overall sound quality. The ability to overdub your own tracks on the fly is really good and not hard to use, and a great way to experiment and compose. The ability to adjust the input level from your guitar to the level of the pre-recorded tracks to get the right mix takes constant tweaking. I think the amp effects are mediocre at best.

(4 of 6 customers found this review helpful)

 
5.0

BUY THIS

By YOU-dKtH1

from MT

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

If you are a musician who wants awesome tone at little cost, BUY THIS. I just got it and it is INSANE. I think it beats all of my Boss and Keely Electronics pedals, plus it's a convenient package that can be stored anywhere. Gone are the days of buying s****y half-a** Behringer effects! Seriously, it is worth every penny.

(4 of 6 customers found this review helpful)

 
5.0

JM4 Looper

By Donald Lewis

from USA

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

9
This device has pretty much the same features as the Line 6 Spider JAM Amp. The only differences is that it just have the foot switches but does not have an on and off switch for power. It would have been better if this device had a different set of Tones and Songs loaded than that of the Spider JAM Amp in order that the user could combine the two and have more Tones and Songs to
select from. If you don't own the Line 6 Spider JAM Amp this device is very nice to have.

(4 of 16 customers found this review helpful)

 
5.0

Looper

By Anonymous

from Undisclosed

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

When I received my Line 6 JM4 Looper it did not work. No sound out of it and would not receive my guitar. I was also disappointed because it looked used. The unit has some small scratches on it and the record button looked ruff like it had been pushed many times with a shoe. also the box looked suspicious. The corners of the box were damaged and torn. I was going to return the product even if it worked due to this.I returned the product and to my surprise it was on back order. I had to now wait a few more weeks to get it. The good thing is when it finally arrived it looked brand new and the box was perfect and new looking. Now my Line 6 JM4 Looper works great and it is a great product.

(3 of 3 customers found this review helpful)

 
5.0

love it

By Line 6 rocks

from Miami

See all my reviews

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

I have had it for about a week. I dont know what some of these other people are hearing but mine is amazing. Can't put it away. I plug my bass into it as well and add that to the dub. I think the effects sound great. And the the drum tracks are smokin. Ive taken my card from the back and loaded my tunes into my computer, And I havent even scratched the surface. The only thing I don't like is that there is no on off switch. Do yourself a favor and check this out.

(2 of 2 customers found this review helpful)

 
5.0

3/piece band dream come true !

By Johnny Astor

from Kentucky

About Me Professional Musician

See all my reviews

Ask me a question

Verified Reviewer

Pros

  • Compact Design
  • Excellent Sound Quality
  • Good Selection Of Effects
  • Responsive
  • Versatile

Cons

  • None

Best Uses

  • Amateur Recording
  • Events
  • Home Studio
  • Performances
  • Professional Recording

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

Works great with a 3 piece band using rythem tracks , has the best realistic sound effects I've ever heard in my life more than you'll ever use I love them all. When playing stuff by Steely Dan , SRV even Beatles the tones are perfect . But I think the looper is more fun than all of it . It has the same brain as the spider jam , which I have and love it to, but this is so compact you along with the Min-ETunes no amps or extra guitars to pack around when playing one night stands bottom line it's a great piece of equipment thank you M/F for another great deal , keep it coming Line 6

(1 of 1 customers found this review helpful)

 
5.0

Fun and a Great Learning Tool

By ms4787

from Montana

See all my reviews

Verified Buyer

Comments about JM4 Looper Guitar Effects Pedal:

What a great looper (and so much more). I am a beginner guitar player and this is a wonderful learning tool. A little spendy but in my opinion well worth the money. I am still learning to operate it properly and make use of all its functions. The learning curve is a little steep but not undoable. Learning the looper has been a fun experience as well. Don't take your significant other out to diner a couple of times and you can afford it. I'm sure he/she'll understand......maybe not.

(1 of 2 customers found this review helpful)

 
5.0

This is the band!!

By OnyxRose

from Texas

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

No arguements, Just you rocking with the best. Man, I tried this our at the stores, then decided to order it. It can be returned, so why not. I got my JM4 in the mail three days later, plugged it in, man this thing is sweet!! Great job Line 6!! I will be using this for live shows, practice, and recording of my latest stuff from my band, OnyxRose!

(1 of 2 customers found this review helpful)

 
4.0

Gearhead

By GearheadSLC

from Salt Lake CIty

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

Insane tones-takes a while to get through all the different drums and patches preloaded. IT NEEDS an on / off switch to make it perfect.

(1 of 1 customers found this review helpful)

 
5.0

Tops other similar units, great price

By Frankencaster

from Seekonk, MA

Comments about Line 6 JM4 Looper Guitar Effects Pedal:

Seems I'm never satisfied, so I end up returning more product to GC than I buy.I tried the ME-50 and the Vox Tonelab at length, nice sounding units, but the line 6 JM-4 blows them away with its addition of the pro jam tracks, and the drum tracks! I love it!

 
5.0

great

By fenderboy

from Reno Nev.

About Me Experienced

See all my reviews

Verified Buyer

Pros

  • Excellent Sound Quality
  • Good Selection Of Effects
  • Responsive
  • Versatile

Cons

    Best Uses

    • Home Studio

    Comments about Line 6 JM4 Looper Guitar Effects Pedal:

    product works great....Glad I bought it

     
    5.0

    has built in amps

    By fmorrison

    from corona,ca

    About Me Experienced

    Verified Buyer

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Good Selection Of Effects
    • Versatile

    Cons

      Best Uses

      • Amateur Recording
      • Home Studio

      Comments about Line 6 JM4 Looper Guitar Effects Pedal:

      has built in amps so you can record and jam and plug this in any amp sounds great.

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