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Rapco Horizon DB-1 Direct Box 

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The DB-1's simple design offers reliable input jacks as well as a loop-through 1/4 in. jack. Plug any instrument level signal (and some line level) ...Click To Read More About This Product

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No gimmicks or frills, just the right stuff.

The DB-1's simple design offers reliable input jacks as well as a loop-through 1/4 in. jack. Plug any instrument level signal (and some line level) into the box, interface with a standard XLR mic cable into the Lo-Z output, and you're ready to plug the output directly into a mixing console. A ground lift switch is provided for buzz-free operation in almost any environment.

  • Transforms Hi-Z 1/4 in. input to balanced Lo-Z XLR output
  • Heavy duty steel box
  • Superior quality connectors and transformer
  • Recessed connectors and switches to prevent damage
  • Ground lift switch to eliminate hum
  • Paralleled 1/4 inch output for on-stage monitoring
  • Individually tested for performance and quality

Order yours today for simplicity and reliability.


DB-1 Direct Box

    20Hz-20kHz, ±.5DB @ -15dBv output
    -3dB @ approximately 85kHz
    Filter mode introduces 6dB/octave attenuation above 4.0kHz

    Less than .03% 20Hz-20kHz @ -30dBv output
    Less than .1% 30Hz-20kHz @ -15dBv output
    Less than .25% 20Hz-20kHz @ -15dBv output

    Less than -18 @ 20kHz (ref. 1.0kHz)

    Less than 4.5 microseconds (2.0kHz square wave, 10%-90%)

    Greater than 130 kohm @ 1.0kHz (INST mode)
    Greater than 105 kohm @ 10kHz (INST mode)
    (Nominal source impedance is 20 kohm)
    Approximately 8.2 kohm (SPKR mode)
    (Nominal source impedance is 0 ohm)

    Less than 200 ohm @ 1.0kHz
    Less than 215 ohm @ 10kHz
    (Nominal load impedance is 1.0 kohm)

    Less than 22dB @ 1.0khz (INST mode)
    (SPKR mode attenuates signal by 20dB)

    +16dBv (INST mode), +34dBv (SPKR mode) @ 20Hz
    +21dBv (INST mode), +41dBV (SPKR mode) @ 30Hz
    +26dBv (INST mode), +46dBv (SPKR mode) @ 50Hz


Review Snapshot

by PowerReviews
Rapco HorizonDB-1 Direct Box

(based on 7 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 7 customers

Displaying reviews 1-7

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Priceless piece of gear....

By EP'78

from Southern Indiana

About Me Professional Musician


  • Clear Sound
  • Easy To Use
  • Professional Functions


    Best Uses

    • Performances
    • Professional Recording

    Comments about Rapco Horizon DB-1 Direct Box:

    I'm a semi-pro bassist with 20+ years of experience with live club gigs, outdoor festivals, and studio time. Through the years I've used whatever DI was there, or someone had an extra of, to Radial DI's (no complaints really on the Radial's other than the sticker they put on the box at the store that has some numbers on it that are quite a bit larger numbers than on the box of the ProCo). About 8 years ago, a buddy gave me an extra db-1 he had and told me to give it a try on the end of my pedal chain into the amp to clean up and even out my signal after passing through all the pedals. My mouth was gaping at the instant difference in overall tonal clarity! After using it for about 6 months, I happened to be in the Guitar store and they had them on sale, so I picked up a couple more. Fast forward, I played it forward an gave the one given to me to my cousin who spins vinyl, and put one of the new ones on my board. At this point, from being drug in and out of gigs, the heat & humidity of outdoor festivals, the label has peeled off, the box is scratched and dinged, looks like it was tossed out of a moving vehicle, but I've had to replace high-end pedals that gave out, I'd purchased after getting the db 1's, and the db has NEVER had one hiccup. The original one given to me, my cousin is still using in Florida weekly spinning gigs! Great investment if you want a DI built inside a tank!

    (1 of 1 customers found this review helpful)


    Craig (sound tech)

    By craig leis

    from Minnesota

    Comments about Rapco Horizon DB-1 Direct Box:

    I don't know what other people are experiencing with this product, but I have owned three of these units dating back to 2001 and they are still working perfectly. I have been in many sound situations and dealt with just about every brand out there going bad, but not these. The grounding switch has been a godsend for eliminating hum and buzz. I have used these for keyboard apps as well as for electronic drums and the signal is not lost or compressed so i don't know what the other user is talking about unless the company has changed the quality since I made my purchase over 10 years ago. I stumbled on these reviews because the church I currently go to is in need of a couple of good passive direct boxes and they love to use mine, but need to use mine off site at times so I can't always share them. I think these are great units at a very good price and the fact that they have ALL lasted for over 10 years of use being moved around is unbeatable.

    (1 of 1 customers found this review helpful)


    Great Little DB!

    By Paul Hawkins

    from Central Massachusetts

    Comments about Rapco Horizon DB-1 Direct Box:

    I reserve 8 as my standard top rating so that when I find a truly amazing product, there is headroom for a 9 or 10. In my system 8 is very very good.

    Priced reasonably, quality product, has all the right features. Definitely would buy more if I neede more...
    Bought this particular box because it has 'speaker' mode whereby you can tap a monitor speaker (amp line up to 600w) and get a line level signal out of it suitable for piping directly to in-ear monitor rig. Has all the normal features of DB.
    Built very well, protective guards sticking out so that switches and jacks are protected. Looks indestructible.
    Was priced lowest of those DB's that had the 'speaker mode' but I have bought PROCO products before and have never had an issue. Price was lowest, but does not suffer from quality or performance problems.


    My first choice

    By Anonymous

    from Undisclosed

    Comments about Rapco Horizon DB-1 Direct Box:

    The DB-1 is a work horse. I have used many direct boxes(whirlwind, behringer, rolls, boss, radial) on stage and none have earned as much trust as this little tank. It performs as well as comparable radials at a cheaper price. No buzz no hiss and a heavy metal outer shell. This thing simply works.


    Distorts Very Easily

    By giantslayer

    from Colorado Springs, CO

    Comments about Rapco Horizon DB-1 Direct Box:

    We have two of these things at my church, where I run sound. We use them to hook up our keyboards to the board (xlr out) and on-stage Roland keyboard monitor amps (1/4" out). I know volunteer church sound man is often synonymous with incompetent, but I am very technically-minded, an obsessive perfectionist, and very good at audio setups and troubleshooting.The good part: the built-in transformers keep ground noise out nicely (unlike those cheap DOD boxes we used before these).The bad part: if the keyboard is turned up above half volume, it causes the db-1 to produce a very nasty clipped sound. It is triggered more easily by high frequencies (maybe this is why they have that high-cut switch, which I haven't seen on any other DI boxes). I have checked through every component and part of the signal path - the keyboard, the cables, the monitor amp, the board - it only occurs when the db-1 is connected. Simply passing the signal from the keyboard to the Roland amp through the db-1 introduces distortion (with or without the XLR out connected). Using either of the two 1/4" cables directly from the keyboard to the same channel of the keyboard amp is perfectly clean. I tried both db-1's and they both exhibit the same clipping.I honestly don't understand how these things can't handle a keyboard signal. The specs seem to indicate it should. I keep wondering if I set something wrong somewhere, but I've been over EVERYTHING several times and there is a fairly small number of possible sources of user error in our setup. I can only conclude the problem lies in the db-1.

    (1 of 1 customers found this review helpful)


    nothing special, but does it's job

    By IcemanTMH

    from yorktown, VA

    Comments about Rapco Horizon DB-1 Direct Box:

    I work sound at an open mic night type of place and we use several of these primarily for DI-ing electric/acoustic guitars into our Mackie board. While the Behringer DI boxes may be a bit cheaper, I've had good experience with the Pro Co's. We have some of each, and the Pro Co's are passive, meaning they do not run off a 9V like the Behringers do. Honestly though, a DI box is pretty straightforward, and just go with what you think you'll need, features vs. lower cost. And the various switches on the Pro Co may be somewhat confusing at first, but the afforded options are worth it.


    Go with the Behringer DI-100

    By Anonymous

    from Undisclosed

    Comments about Rapco Horizon DB-1 Direct Box:

    The church I run sound for has one of these aluminum nightmares. It is difficult to figure out which way to flip the switches to make it work the way one wants, especially when in a hurry. It has a high cut filter that only works when used in the attenuated mode and is pretty much useless and only confuses musicians who are inexperienced with it. When attenuated, if you plug in or unplug an instrument without muting the channel it will still pop. It doesn't even have good sound quality. We haven't had it but a year or so and the switches are starting to feel worn out. I finally took it and put in our video room on a seldom-used channel where it will not be seen or messed with. Like I said, go with the Behringer DI-100. For the money you can buy three of them and they sound great.

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