The DSP-Z8 IV AT is an 8-channel standalone digital signal processor featuring a CS47048 32-bit/192 kHz DSP and auto-calibration (AutoTune) with optional microphone. It accepts up to 8 channels of speaker-level or RCA analog input plus coaxial and optical digital inputs, and outputs 8 channels of 5 V RMS RCA signal. A port for the optional HD-BT module adds aptX HD Bluetooth streaming, and the included LCD dash remote provides source, volume, and bass control.
Key Features
CS47048 32-bit/192 kHz DSP with THD+N −98 dB
AutoTune auto-calibration with optional M-AT1 calibration microphone
Coaxial (32-bit/192 kHz) and optical (24-bit/192 kHz) digital inputs
8-channel speaker-level inputs (2–20 V) with auto-on
Port for optional HD-BT II-D module — aptX / aptX HD Bluetooth streaming
Included 1" LCD dash remote with source, volume, and bass output control
DSP / Processing
DSP Processor
CS47048
Processor Resolution
32-bit / 192 kHz
THD+N (DSP)
−98 dB
AD Converter
CS47048, 32-bit / 192 kHz, THD+N −98 dB
DA Converter
CS8422, 24-bit / 192 kHz, THD+N −120 dB
Signal Stage
10 Hz – 22.5 kHz
S/N Ratio
110 / 106 dBA (digital / analog)
Equalizer
Graphic / Parametric, 31 bands
Crossover Types
Linkwitz, Butterworth, Bessel, Tchebyschev
Time Alignment Range
0 – 15 ms, step 0.02 ms (max 515 cm, step 0.68 cm)