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MF MD HG Mic Fest 04-07-15
Product 300211

B-Band A2.2 XOM Acoustic Guitar Preamp  

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The B-Band A2.2 with XOM is the future of acoustic guitar sound reproduction design. This dual input/mono output onboard preamp is set up for use wit...Read More


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See All B-Band Acoustic Guitar Pickups & Preamps

Amplify your acoustic guitar with total fidelity.

The B-Band A2.2 with XOM is the future of acoustic guitar sound reproduction design. This dual input/mono output onboard preamp is set up for use with the acclaimed combination of UST and AST transducers. These, along with the convenient onboard remote XOM mix and volume controls--which mount just inside the edge of the soundhole without modification--bring the best of both transducers' characteristics together, resulting in a sound that is true to the guitar's unique voice.

The entire A2.2 systems installs quickly and easily, only requiring two holes to be drilled--one under the saddle for the UST and one for the endpin output jack/strap button. For fast connection all components are plug-in--no soldering.

The preamp mounts inside the guitar at the back and has input gain trims for both transducers that are adjustable with a screwdriver. The preamp is housed in lightweight all-metal box and is powered by a 9-volt battery. All mounting hardware, including a high quality endpin jack and hold-tight battery clip, are included.

XOM--Cross Over Mix

The B-Band research and development team has applied a crossover system to the exclusive patented pickup material. The Cross Over Mix (XOM) system combines the best aspects of each pickup into one complete source. By sensing the guitar from two separate locations and combining, what each pickup does best, the XOM system has a very complex and rich sound that further augments already superior sounding Emfit film pickups.

The ideal process for authentic acoustic reproduction comes from combining the high frequencies of the AST and low frequencies of the UST, making a sound that is much more complete, true and pure. In addition, the XOM pan pot allows the player to select between full UST/AST XOM mix and the UST alone or one of the many points in between resulting in almost unlimited possibilities.

You will find XOM to be an amazingly flexible sound manager resulting in an elegant transparent tone at any performance level.

  • XOM process
  • Remote soundhole XOM mix and volume controls
  • Dual channel input (UST and AST only)
  • Mono mix output
  • UST and AST input gain trim
  • All plug-in connections
  • Hold-tight battery clip
  • 400-hour battery life
  • High quality output jack


A2.2 XOM Acoustic Guitar Preamp

  • S/N ratio: Greater than -90 dB
  • Distortion: 0.05%
  • Frequency response: 50 Hz to 40 kHz (-3 dB)
  • Low-cut slope: 24 dB/octave
  • Voltage gain: AST channel, 0 - +24 dB; UST channel, 0 - +24 dB
  • Input impedance (both channels): 50 mOhm ""< 10 pF
  • Output impedance: < 3 kOhm
  • Nominal output level: -10 dBu (0.245 Vrms)
  • Power supply: 9V battery (not included)
  • Current consumption: 0.8 mA typical
  • Connections: Transducer inputs, 10" (2.54mm) header; Output, 1/4" (6.3 mm) jack
  • Weight (with accessories): 45 g
  • Dimensions: 1.65"L x 1.26"W x 0.6"H (42x32x15mm)

Review Snapshot®

by PowerReviews
B-BandA2.2 XOM Acoustic Guitar Preamp

(based on 3 reviews)

Ratings Distribution

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Reviewed by 3 customers

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(1 of 2 customers found this review helpful)


Thunderhawk thunder

By Manilishi

from Maine

About Me Professional Musician

Verified Buyer


  • Easy To Use
  • Functional
  • Good Quality
  • Improves Sound


    Best Uses

    • Backup
    • Concerts
    • Practicing

    Comments about B-Band A2.2 XOM Acoustic Guitar Preamp:

    Hard to install on my particular guitar, but worth it.

    Comment on this review

    (5 of 5 customers found this review helpful)



    By Eastern Guitar Mfg

    from East Coast

    Comments about B-Band A2.2 XOM Acoustic Guitar Preamp:

    Being a Luthier for three decades I have found the right acoustic system. B-Band had hit the mark when they decided to put their technology into the instrument field. This system, unlike others, amplifies and refines the sound of the guitar. Other systems have a hard time doing this. I wouldn't use anything else in my guitars.

    Comment on this review

    (2 of 8 customers found this review helpful)


    Finally Married a Guitar

    By Joyful

    from Texas

    Comments about B-Band A2.2 XOM Acoustic Guitar Preamp:

    Install a B-Band A2.2 XOM in an Epiphone Masterbuilt EF-500RA Vintage or similar.I have put B-Band in 5 guitars. It started with a cheap Johnson Dreadnought to learn how and it sounded so good I donated it to a Church. Then I put it in a small bodied Fender and it made the guitar sound like an absolute monster but -of course- unplugged a low end Fender-what can I say - one of the easiest guitars to play ever but not to marry. Then I put one in a Taylor Big Baby and it is the most wonderful playing guitar but no stage presence. I put one in an old Gibson and so-so. I would not touch my Martin HD-28 but after the A2.2 in my Epi - may be some day.I looked at many options but went back to B-Band with its XOM upgrade and newly encapsulated electret fims.The Epi MB EF-500RA plays easier and encourages more licks than any of my guitars and has more overall resonance but not enough low end to match an HD28 or Gibson J200.But with this A2.2 XOM it beats anything I have played in any guitar store. You ask the low end to back off and the finger picking is extraordinary. . . and believe me I have played plenty of Martins, Taylors, Larrivee's, Breedloves, Gibsons old and new - name it.I thought about marrying the Epi RA500 just for its uniqueness and great resonance as it sets up beautiful - just not able to plug in until tonight. I just went through the 2 rooms and tuned down the L4, LG1, HD28, Taylor to relieve the necks and put the A2.2 / Epi beside my bed. AIN'T CONFUSIN LICKS ON OTHER SCALES AND NECKS NO MO. I just married her but not before the A2.2 XOM.need anyone say more. I play through the Fender Jr. Acoustic and this baby sounds like 3 guitars at once with somethin rare goin on.

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