500 Series

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17 Items
  1. API 550A

    MFR#: 550A Best Seller
    Discrete, classic three-band EQ
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,195.00

    $1,135.25
  2. API 550B

    MFR#: 550B Best Seller
    Discrete four-band EQ
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,295.00

    $1,230.25
  3. API 560

    MFR#: 560 Best Seller
    Classic ten-band graphic EQ
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $945.00

    $897.75
  4. API 500-6B Lunchbox

    MFR#: 6-slot Lunchbox Best Seller
    6-slot 500 Series Lunchbox with DB25 connectors and built-in power supply
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $699.00

    $664.05
  5. API 500-8B - 8-Channel 500 Series Lunchbox

    MFR#: 8-Slot Lunchbox Best Seller
    Robust AND portable 500 Series lunchbox rack with channel-linking feature AND external PSU - fits 8 500 Series modules
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $499.00

    $474.05
  6. API 500VPR 10 Slot Rack w/PSU

    MFR#: 500VPR Best Seller
    3u vertical rack with external power supply that holds up to ten 500 Series modules
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $995.00

    $945.25
  7. API 512C

    MFR#: 512C Best Seller
    Single-channel microphone/line/instrument preamp for 500 Series - every bit of classic API sound!
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $895.00

    $850.25
  8. API 512v

    MFR#: 512v Best Seller
    Discrete mic / line preamp with variable output
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $995.00

    $945.25
  9. API 527

    MFR#: 527 Best Seller
    Discrete 500 Series compressor with thrust circuit
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,095.00

    $1,040.25
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  10. API 505 DI - Discrete DI

    MFR#: 505 DI
    500 Series discrete direct input with gain control
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $595.00

    $565.25
  11. API 535-LA Line Amplifier

    MFR#: 535-LA
    Boost or attenuate line-level signals with API's signature warm, punchy sound
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $595.00

    $565.25
  12. API 565 - Discrete Filter Set

    MFR#: 565
    500 Series Discrete Filter Set
    More Info
    Ships directly FROM API Audio
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $595.00

    $565.25
  13. API 525

    MFR#: 525
    Re-issued classic discrete compressor
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $1,295.00

    $1,230.25
  14. API / Datatronix 560A Graphic Equalizer #181 (Vintage)

    500 Series graphic EQ
    More Info
    Contact us for Availability
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $1,095.00
  15. API 550B Equalizer #5019 (Used)

    Discrete 500 Series 4-band EQ
    More Info
    Serviced to Order
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $895.00
  16. API 525 Compressor/Limiter Reissue #2031-11 (Used)

    500 Series compressor/limiter
    More Info
    Contact us for Availability
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • This pre-owned item has been rigorously tested and serviced by our tech shop and comes with a free 1-year warranty.Free 1-Year Warranty
    • Prior to shipment, this item will undergo our multi-point inspection, servicing and quality control process by our industry-leading tech shop.Free VK Premium Servicing
    $850.00
  17. API 527 (Demo Deal)

    Discrete 500 Series compressor with Thrust Circuit
    More Info
    In Stock
    • Free shipping to the lower 48 states for online orders.

      50% off shipping outside the US and to Hawaii and Alaska.
      Free Shipping (USA)
    • Our friendly and knowledgeable sales team is here to support you before, during and after your purchase.Free Tech Support
    • We add an additional year of coverage for additional peace of mind.Free Extended Warranty

    $930.75

    $825.00 (You Save 12%)

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17 Items