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500 Series Processors

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What's Hot in 500 Series Processors

  • AEA RPQ 500
    AEA RPQ 500
    $584.00
    + FREE Shipping

    1-channel 500 Series Preamp Module with High-frequency and Low-frequency Filters, 80dB of Gain, and Mic/Line-level Input Switching
  • Chameleon Labs CPS-501 Powered Chassis
    Chameleon Labs CPS-501 Powered Chassis
    $169.00
    + FREE Shipping

    500 Series Single Module Half-rack Chassis
  • Moog The Ladder
    Moog The Ladder
    $769.00
    + FREE Shipping

    500 Series Ladder Filter with Low Pass and High Pass Functions, Variable Attack and Release Controls, and Adjustable Resonance
  • Shadow Hills Industries Mono Optograph
    Shadow Hills Industries Mono Optograph
    $1495.00
    + FREE Shipping

    Single-channel 500 Series Discrete Optical Compressor with Jensen Input Transformer, Nickel Output Transformer, and Sidechain Filters
  • API 500-6B Lunchbox
    API 500-6B Lunchbox
    $424.15
    + FREE Shipping

    6-slot Empty Chassis For API 500 Series Modules with Built-in Power Supply
     (2 reviews
  • Great River MP-500NV
    Great River MP-500NV
    $795.00
    + FREE Shipping

    500 Series Vintage-voiced Microphone Preamp
     (9 reviews
  • API 527
    API 527
    $846.00
    + FREE Shipping

    VCA-based 500 Series Compressor/limiter with 2510 and 2520 Discrete Op-amps
     (5 reviews
  • Chandler Limited Little Devil 500 series Preamp
    Chandler Limited Little Devil 500 series Preamp
    $899.00
    + FREE Shipping

    500 Series Preamp
     (3 reviews
  • Great River 32EQ
    Great River 32EQ
    $775.00
    + FREE Shipping

    Single-Channel Reproduction of the Harrison 32 Series 4-band Parametric Equalizer Formatted for 500 Series Racks
     (4 reviews
  • API 525
    API 525
    $1015.75
    + FREE Shipping

    Single-channel Modular Compressor, 500 Series, Classic Reissue with Variable Threshold and Output Levels, "Ceiling" Control, VU Meter, and De-ess Function
  • A Designs 500 HR Rack
    A Designs 500 HR Rack
    $299.00
    + FREE Shipping

    Frame for A Designs 500 Series Mic Pres, with Internal Power Supply, LED, and XLR I/O
     (2 reviews
  • API 550b
    API 550b
    $1015.75
    + FREE Shipping

    Modular 4-band Equalizer, 500 Series, With 7 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, and Proportional Q Control
  • Daking MicPre 500
    Daking MicPre 500
    $599.00
    + FREE Shipping

    500 Series Class A Microphone Preamplifier
     (1 review
  • API 560
    API 560
    $760.75
    + FREE Shipping

    Modular 10-band Graphic Equalizer, 500 Series Classic Reissue, With 12dB of Boost/Cut Per Band, Silent Bypass, and Proportional Q
  • Chandler Limited Germ 500 MkII
    Chandler Limited Germ 500 MkII
    $955.00
    + FREE Shipping

    500 Series Preamp
  • Grace Design m501
    Grace Design m501
    $625.00
    + FREE Shipping

    Single-channel 500 Series Preamplifier Module with 48V Phantom Power, 75Hz Highpass FIlter, 1/4" Hi-Z Instrument Input, and Ribbon Microphone Mode
At Sweetwater, we take pride in our great 500 series processors selection. We carry top-quality products that you can count on for dependability and quality, and our knowledgeable and friendly Sales Engineers are here to help you find the 500 series processors to fit your needs, at a competitive price. Whether you’re looking for pro-level items, entry-level gear, or anything in between, you can count on Sweetwater for an incredible inventory of the best products you'll find anywhere. And our expert service and amazing free shipping on most items add even more value to our 500 series processors stock!

Our Customers Say...

One thing I really admire about Sweetwater is that every customer is treated well, whether they're purchasing something for $10 or $10,000. You don't find that at other places. We consider Sweetwater a partner.
Joel Kass, Chicago, IL

Sweetwater Sound Inc.
5501 U.S. Hwy 30 W
Fort Wayne, IN 46818
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