Audio Proz Service and Sales


ART Pro Channel

Audio Proz Inv #: 48537

Tube mic preamp/compressor/equalizer. AUDIO PRO MODIFIED: Tube Harmonic T.H.E. Bias control transformer in Vactrol EQ Mod. Highly recommended, Super noise spec machine!  QC, Test All. #10 new in box

$ 568  Contact Us  

Next! VF-11 Vocoder

Audio Proz Inv #: 29956

Modified for better filter. Call us for details

$ 380  Contact Us  

TC Voice One Helicon

Audio Proz Inv #: 37947

Superior quality voice processor and harmonic enhancement pitch corrector, as new demo. 9+ condition.

$ 380  Contact Us  

DBX DX-8

Audio Proz Inv #: 63330

Noise reduction module, 8 channel in/out, individual channel encode/decode. SN #21058. *Needs relay cleaning upon sale. Unit mint in original box, box is damaged/torn but repairable. #9 condition

$ 360  Contact Us  

Symetrix 544

Audio Proz Inv #: 21154

4 channel noise gate, Attack/Threshold/Release/Range, excellent noise gate

$ 330  Contact Us  


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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.


Yamaha PG1

Audio Proz Inv #: 51594

Guitar Preamp Equalizer. Rackmount, black face, parametric EQ, unit with two phone inputs and headphone output on front panel. Very nice condition with some typical scratches at rack mounts. AP installed better Accutronics three spring reverb pan. Fully serviced and tested, guaranteed.

$ 330  Contact Us  

Behringer Ultra Effects II

Audio Proz Inv #: 52468

SX3100. Final Mix enhancement device. Rev 3 modification done. In out switch sticks. #9 condition.

$ 300  Contact Us  

Alesis 16 Bit Recorder (Black Face Version)

Audio Proz Inv #: 70374

With ADAT remote, sync cable, optical cable link. Very low use time. 100s of hours. Basic service has been done. New belts and drive idler. Condition is a #9.

$ 288  Contact Us  

Roland GR-33 guitar synthesizer

Audio Proz Inv #: 48407

Multi function foot control synth processor. With manuals and GR multi pin cable. Mint condition in box and packing.

$ 280  Contact Us  

Symetrix T101

Audio Proz Inv #: 16836

Telephone interface, 2 band EQ, XLR I/O, 1/4" I/O, compressor/limiter

$ 280  Contact Us  

Sony PCM501ES

Audio Proz Inv #: 63540

Digital audio processor (black face panel) 1/4" headphone jack w/ level control. Switchable rec resolution 14/16-bit. OVC adjustment. Tracking adjustment. Auto PB mute. Copy function. Upgrade relays. Upgrade power supply. Use of highspeed bypass caps on most power supply and gain set caps in audio circuit. Highspeed/HF caps on conversion board. (Unit has some obvious wear scratches at top edge but actually low-use.) #8 condition.

$ 248  Contact Us  


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.


Ultra Effects II EX 3100

Audio Proz Inv #: 28057

Unit in mint condition w/ box and packing. Stereo professional/consumer unit. stereo detail/clarity/ bass phase correction/ noise reduction/ enhancer. One space rack mount. With upgraded audiophile power supply RFI modification.

$ 240  Contact Us  

Behringer Ultrafex II EX-3100

Audio Proz Inv #: 24483

Near mint condition, XLR/Phone I/Os, Pro/Consumer, older-better built enhancement audio device, very nice improvement of definition and imaging-especially to enhance natural deep bass detail from tape or record, excellent very subtle and effective single.

$ 240  Contact Us  

GLI EF256

Audio Proz Inv #: 51883

Multi-effect unit with true stereo processing, modified by AP for limiting and lower noise. Flange, echo, and reverb effects. Mic and line inputs; XLR, RCA, and phone outputs for many signal routing options. Very good condition.

$ 240  Contact Us  

Aphex Aural Exciter Type B Model 102

Audio Proz Inv #: 14226

1 rack space, 2 channel drive/tune/mix controls, 1/4" phone jacks for rear I/O

$ 220  Contact Us  

Electro Harmonix Voice Box

Audio Proz Inv #: 49165

Very versatile and useful voice processor pedal with harmony machine and vocoder. Many functions, very nicely done sound. New, QC by AP.

$ 218  Contact Us  

Electro Harmonix v256 Vocoder

Audio Proz Inv #: 49166

Awesome sounding, very shapeable vocoder, with "reflex tune" function. New, QC by AP.

$ 218  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


Yamaha SU-10

Audio Proz Inv #: 29703

Sampler. Like new in box with manual, power adapter, and packaging. 4 banks of 12 samples, plays up to 4 samples simultaneously, ribbon controller controls internal and external info and sends MIDI CC info. MIDI in/out, built in 3 track non-MIDI sequencer, extra long power supply cable. **New Low Price!**

$ 200  Contact Us  

ART DRX digital multi fx

Audio Proz Inv #: 28091

single space rack unit, excelent shape. stereo in/out. 2 second sampler and multi effect. Excellent shape.

$ 200  Contact Us  

DBX 228 Dynamic range expander.

Audio Proz Inv #: 28044

One space rack mount. Unit performs disc encode as well as tape encode/decode.

$ 200  Contact Us  

Behringer Ultrabass Pro EX-1200

Audio Proz Inv #: 31154

Digital bass enhancement processor with limiter. SN: 001047661 Condition: 9

$ 196  Contact Us  

Behringer Ultrabass Pro EX-1200

Audio Proz Inv #: 31155

Digital bass enhancement processor with limiter. SN: 001047561

$ 196  Contact Us  

Behringer EX1200 Ultra Bass Pro

Audio Proz Inv #: 45183

Add some bass to any mix! Adds subharmonic bass at user controlled range and dynamics. With built in limiter section and sub woofer out with built in high pass crossover. New stock. SN: N0510392061. Condition 10

$ 196  Contact Us  


We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.  We strive to offer good products at competitive prices.  While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.  We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.

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.


TC Electronics M-300

Audio Proz Inv #: 37657

Multi Effects Processor

$ 195  Contact Us  

DBX 120A

Audio Proz Inv #: 49250

Subharmonic synthesizer with modeled waveform synthesis. Four bands of tunable harmonic enhancement, excellent for hifi systems. Excellent #9 condition.

$ 188  Contact Us