Ground Zero GZDSP 4-8XII
The Ground Zero GZDSP 4-8XII is an 8-channel digital signal processor with four-channel high-level or RCA input, USB connection, optional remote control and auto-on function. Powered by two 28-bit Analog Devices processors, it gives full control over equalization, time delay, crossovers and phase for every output channel, making it the ideal upgrade for factory and aftermarket systems alike.
Key Features
- 8-Channel DSP: Eight independently processed output channels
- High-Level and Line Input: Up to 4 channels of high-level audio mix or RCA input
- 2x 28-bit Analog Devices Processors: High-resolution signal processing
- Separate 10-Band Equalizer: Individual EQ for each channel
- Time Delay and Phase Correction: Precise stage alignment for every speaker
- Variable Crossover: Flexible filter settings for each output
- Realtime Setting: Windows GUI software with live adjustment via USB
- Automatic Turn-On: Auto-on via high-level or RCA input signal
Technical Specifications
- Type: 8-channel digital signal processor
- High-Level Audio Mix: up to 4 channels
- Frequency Response: 10 Hz – 22 kHz (-3 dB)
- Signal-to-Noise Ratio: > 105 dB
- Input Sensitivity: 0.5 – 1 V (RCA), 2 – 8 V (high-level)
- Max. Output: 2.5 V RMS
- TOSLINK Input / AUX Connector: No / No
- Preset Memory: 6
- Remote: optional
- Dimensions (W x L x H): 168 x 114 x 27 mm (6.61 x 4.49 x 1.06″)
A compact and affordable way to bring full digital sound tuning to any car audio system.














