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

PC Software
Windows PC > ST-X DSP 6-8

Mobile APP
(software still in debug processing)
Android Devices > A-APP v.1.0
iOS Devices > i-APP v.1.0
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