Audio Proz Service and Sales


Scott A4001

Audio Proz Inv #: 59618

w/remote. 100 Watt. Audiophile grade. Amplifier design. Many inputs, but unit has ground jackets torn off Of RCA for AUX and video in. Low use/bargain unit Condition #7

SOLD  Contact Us  

Contact us about similar items or replacement parts.

DBX MPA 150

Audio Proz Inv #: 59606

Split spectrum amplifier. Very high quality design. Balance, level controls. Meter low pass. Subsonic filter. 4ohm/8ohm speaker selector. Built in speaker crossover and electronic crossover. Actually mono subwoofer, but for 2 speakers. Low use time. Condition: #9

$ 160  Contact Us  

Marantz PM7200

Audio Proz Inv #: 59594

Stereo integrated amp with remote. CD/ tuner/ Aux 1/2, phono, 2 tape loops, 1 processor loop, speaker pairs 1&2. 9+/10 condition, did ruggedize board solder, calibration, low use! In box with main packing. Black face, very clean ergonomics.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Rocket fish kit RF WHT1B

Audio Proz Inv #: 59337

Simple add on to speaker wire and RF wireless jump to second receiver (AMP, with delay) time correction. OK product for small budged. Condition #9

$ 66  Contact Us  

Fender LTB

Audio Proz Inv #: 59155

4 channel PA amp. 1/4" and XLR inputs, no phantom power, spring reverb, max 80W. Discrete amp circuit, very serviceable. 9/10 condition. Ruggedized board soldering and cleaned.

SOLD  Contact Us  

Contact us about similar items or replacement parts.


APT 1 Amplifier Upgrades and Repairs Technical Information: Read more about it here.


Akai AM-32

Audio Proz Inv #: 59021

Stereo integrated amplifier AM-32. CD, phono, tuner, AUX, DAT/tape 2 inputs. Only 220V/50hz input. Updated to new 16 amp relay. Cleaned, lubed all switches, knobs, buttons. Ruggedized board soldering. 8+/10 condition, low use, minor scratches along top but in excellent condition.

$ 258  Contact Us  

Peavey Classic 20

Audio Proz Inv #: 58718

8" Speaker. All tube design. Unit has an easy to overdrive sound character. Tweed cover/skin. Nice for solo lead guitar! 8/10 condition overall. Circuitry in #9 condition. Tweed in #7 condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Alesis RA-100 100 watt amplifier

Audio Proz Inv #: 58602

Basic design. Audiophile quality. Level control. Basic mods to reduce RFI and hum noise in audio. 8/10 condition (minor cover scratches). With Box.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Crown Powerline Two

Audio Proz Inv #: 58562

PL-2. 2 Level adjuster. Output monitor jack. RCA input. Face plate is good condition but rack handels have obvious scratches. Complete service. Unit in low, 8 condition.

$ 300  Contact Us  

Sonnance Sonamp 260 x 3

Audio Proz Inv #: 58548

Basic 60 watt, slim line, 3 speaker selector, auto on/off. Ruggedized circuit board. Basic service unit has low use time. 8+ condition.

$ 188  Contact Us  

Onkyo M-501

Audio Proz Inv #: 57801

Basic, well designed. Like Adcom, Rotel, Audiophile. #9.

SOLD  Contact Us  

Contact us about similar items or replacement parts.


Need your guitar or bass amp tuned up? We are now doing repairs, upgrades, and modifications to all types of guitar amps. Orange, Mesa Boogie, Fender, Marshall, Hughes and Kettner, Peavey, Ampeg, Gibson, Silvertone, etc. Read more about it here


Hafler P-225

Audio Proz Inv #: 57707

Pro version DH 220 amp with level controls. XLR inputs, ground lift. Later version amp with high quality parts. Quasi Class A design, Mosfet output transistor. Minor scuffs on edges, spray paint top black. Unit has seen low time in consumer studio. condition #8-

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Rocktron Rampage R10 Amp

Audio Proz Inv #: 57679

10 watts, 6" speaker. Unit has low use time. Features headphone jack and overdrive effect; overdrive has been modified to be less aggressive with lower noise. Condition: 9

$ 48  Contact Us  

QSC MX700

Audio Proz Inv #: 57614

Stereo Amplifier 20k balanced. 2 rack space. Banana outputs 6nd stripe 1/4" input TRS/TS. #7 Condition. Chassis obvious roadwear. internal very low use.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Yamaha M-40

Audio Proz Inv #: 57602

Power Amp 3 speaker switching. Lubed/cleaned speaker inputs. Cleaned and dusted internal units. #9 Condition (Low use).

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Luxman M-12

Audio Proz Inv #: 57554

DC Stereo Power amplifier. Level controls. Replaced fuse holder. Unit was used by shop. Nice condition. Modest but almost daily use for over 10 years. Updated minor improved value resistors. Rework amp differential. Input amp resolder. Condition #8+

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Sansui AU-101

Audio Proz Inv #: 57278

Basic integrated amp; plays only 1 set of speakers. Inputs: Phono/Aux/Tape In/Mic In. Rugged design and slightly "tubaphone" sound character. Can operate on 220/240/117 volts. Modified lower distortion amp. Wood case edge is damaged, but unit has seen low use time. All control switches cleaned. AG cleaner. Condition: 8

SOLD  Contact Us  

Contact us about similar items or replacement parts.


We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock.


Crate Limo TX50DB

Audio Proz Inv #: 57175

Battery powered amp with car or power supply (provided) charging. XLR and phone inputs; pole mount capable; multi channel with EQ and reverb, echo, chorus DSP. Amp has new battery, weatherproof treated cone, ruggedized power supply, and cabinet dampening.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Yamaha P2075

Audio Proz Inv #: 56971

Rack mount 2 channel amp. Rugged design, 2 RU blackface unit with rack rails and LED signal/clip indicators. Inputs: 1/4", XLR; Channel A/Channel B level controls. Condition: 8-

$ 240  Contact Us  

Hafler DH-220 power amplifier

Audio Proz Inv #: 56965

Factory assembled and modified later version unit, with higher quality parts and high speed bypass caps. Features RCA L/R inputs and fused outputs. Fully serviced and calibrated, low use unit, with some minor scratches on top cover. Condition: 8-

SOLD  Contact Us  

Contact us about similar items or replacement parts.

GLI A-6600 Amplifier - Mod Rev III

Audio Proz Inv #: 56964

Audiophile design, high current control amplifier. Upgraded low noise IC, AP Rev 3 mod. Blackface unit with 2 large V/U meters; 1/4" phone jack on face; bayonette speaker terminals. Inputs: Tape/Aux/Tuner/DVD/CD/Phono; Controls: Bass/Treble/Balance/Volume. Used but in like new, #9 condition, with original remote (#8+), box, and packaging. with VU meters, 

$ 316  Contact Us  

Pioneer SA-5200

Audio Proz Inv #: 56864

Stereo integrated amp with silver face and wood sides. Ins: Phono/Tuner/AUX 1/AUX 2; Controls: Treble/Bass/Volume; Features: Speaker AB/Tape Monitor/Loudness/Mono/Stereo. Low use unit with upgraded capacitors, fully serviced and calibrated. Condition: 8+ (missing unit may have been sold)

$ 148  Contact Us  

Kenwood KA-3500 Integrated Stereo Amplifier

Audio Proz Inv #: 56861

Silver brushed aluminum face with 1/4" headphone jack. Inputs: Phono/Tuner/AUX; A/B tape monitor with dubbing switch. This unit has seen low use and has been fully serviced. There is a minor scuff on the top cover but otherwise cosmetics are excellent, and lettering is perfect. Condition: 9-

SOLD  Contact Us  

Contact us about similar items or replacement parts.


Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


Dayton APA 150

Audio Proz Inv #: 56764

Audiophile grade 150 watt power amplifier that delivers 75 watts per channel. Very compact, discreet design. (This unit has been modified for quieter fan operation, also relay contacts have anti-arc gel in them, AC IEC input ruggidized, Gain of amp reduced 6db in level to work better & quieter). New.

$ 280  Contact Us  

Kenwood SS-79 AV Surround Amp

Audio Proz Inv #: 56567

Combination surround sound processor and 15 watt amplifier with Dolby stereo. Designed to add on to any stereo and create surround sound for spatial settings. Black slim-line all metal construction. Condition: 9

$ 88  Contact Us