Zapco - ST-4X DSP III - Class AB, 4-Ch, DSP, optional HD-BT Power 2Ω: 4 x 90W, 4Ω: 4 x 65W

ST-4X DSP III 4-Ch. Class AB Amplifier with DSP   Features and Functions   4-Channel, Full Range, Class A/B On-Board, Full Function, 8-ch. Digital Signal Processing High-pass and low-pass filters, phase control, signal delay, and 15 channels of parametric equalization on each channel Optical Digital Input BT Streaming: Bluetooth Port for external APTX HD Module (optional) Analog input gain controls     Technical Specifications   Power @ 4Ω: 4 x 65 watts THD @ Rated Power < 0.5% THD Power @ 2Ω: 4 x 90 watts Power Bridged @ 4Ω: 2 x 180 watts Signal to Noise Ratio > 90dB THD + Noise < 0.2% Channel Separation  >60dB Frequency Response 15Hz to 30KHz ±1dB Dimensions in mm: 160(W) x 57(H) x 284(L) Overall: 160(W) x 57(H) x 309(L)