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Sennheiser Internet Authorized Dealer for the Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W)
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Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W) Details

  • 2-in/2-out
  • Class-D Pro Amplifier with DSP and remote control
  • Lightweight
  • Compact design, 2U rack for up to 4 channels
  • Optical limiters
  • Electronically protected
  • High efficiency
  • DSP on-board to drive all K-array products
  • Remote control via RS-485 and dedicated management software
  • Aluminum frame

Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W) Specifications

Output Power

  • Continuous4 (0.5% THD) 2 x 1500W
  • EIAJ4 (1% THD) 2 x 2000 W
  • Continuous8 (0.5% THD) 2 x 1100 W
  • EIAJ8 (1% THD) 2 x 1200 W
  • Bridged-EIAJ8 (1% THD) 4000 W

Audio Specs

  • Slew Rate 8: 30V/uS
  • S/N Ratio: >108 dB/A
  • Distortion (THD, DIM, SMPTE): <0.5%
  • Input Impedance: 20K bal. 10K unbal.
  • Gain: Variable
  • Output: Unbalanced to ground
  • Bandwidth: 5Hz-25KHz
  • Damping Factor 8 (100Hz): >300


  • Thermal protection: Yes
  • Short circuit/over-load: Yes
  • Clip limit, Perm. sig. limit: Yes

Audio Input

  • Connectors: 2 x M + 2 x F bal. XLR
  • Wiring: 1=grnd 2=hot 3=cold

Remote Control Input

  • Connectors: 2 x female 8-pin RJ45


  • Power Output Connectors: 2 x SPEAKON 2-pin
  • Power Input Connectors: 2 x PowerCon IN/OUT

AC Power

  • Operating Range: 85-270Vac 50/60Hz; Universal up to 400 Vac
  • Max continuous-Burst current: Over-voltage tolerance; 12A (>10s) - 24A (<1s)


  • Measures: 17.25 x 8 x 3.5 inches
  • Weight: 11 pounds

Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W) Reviews

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The full manufacturer's warranty from Sennheiser is only valid when the Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W) is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Sennheiser KA40 High-Tech Class-D Pro Amp (2000+2000W).

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