Cooperation model
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Product purchase instructions
Once the product is sold, it will not be returned. If the product is defective and other maintenance problems,the buyer should
return the product in the original conditions to us and should bear the shipping costs for return. If any part is required to be
replaced, the buyer should also pay for the costs of the parts to be replaced. Before returning the items, please confirm the
return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP.
DSP680 8-Channel Processor – The Frequency Surgeon
✅ AI Auto Tuning:
· One-click calibration optimizes soundstage in 15ms!
✅ 6 High-Level + Coaxial/Optical/USB I/O:
· 3-17V input for Rolls-Royce/Mercedes MOST systems
· 1-7V RCA output optimized for external amplifiers
✅ Dual-Core 32-bit CIRRUS DSP:
· 24Bit/192KHz processing with 98dB reference-grade SNR
✅ 31-Band EQ & 15ms Alignment:
· 0.5-9 Q value surgical control for millimeter-precise staging
✅ Expandable Bluetooth 5.0/USB:
· Modular Hi-Res audio expansion (modules sold separately)
✅ Greensound Pro App Ecosystem:
· 10 pro presets with cross-platform iOS/Android/PC control
✅ 0.27A Standby & MIL-Grade Design:
· Stable operation in -40℃ environments for overland builds
Specification | DSP680 |
Input | 6 High Level/6 RCA/Coaxial/Optical/USB Audio(External)/BT(External) |
Input Voltage(Max) | High Level 3-17V,RCA 1-7V |
Output | 8 RCA |
Output Voltage (Max) | 4V |
Output Gain | NA |
Optical In | YES |
Coaxial In | YES |
Amplfiier type | NA |
Power Output | NA |
(AD & DA) Signal Convertion | CIRRUS LOGIC 32bit CS47048C-DQZR,CS5343 |
Sampling Rate | 24Bit/192KHz ADC/DAC |
EQ/Delay | 31Band/15ms |
Frequency Range | 20-20K |
Q Value(Slope) | 0.5-9 |
EQ Gain | -18dB-12dB |
Filtering | Butter , Bessel, Link |
Filtering Crossover point | 20-20k |
Filter slope | 6dB/oct -48dB/Oct |
Phase | 0-180 |
Time Alignment (delay) | 15ms |
Preset | 10 |
Frequency Respone | 20-20k |
Signal to Noise - RCA | 98dB |
Signal to Noise - Power Amp | NA |
Input Resistance | 20kΩ |
Low level output Resistance | 680Ω |
Static Current | 0.27A |
Operating Voltage | 9-16V |
Working Current Range | 0.3-1A |
Temperature resistance | NA |
Bluetooth | not build in |
Bluetooth Version | 5.0 |
USB Audio Built in | NA |
USB DISK | NA |
Remote | LED/圆屏线控 |
PC Connection | yes |
PC Software | yes |
Android App | yes |
IOS app | YES |
Auto Tuning | YES |
REM Input | 3.5V |
REM Output | 0.1A |
Over heat protection | NA |
Over Load Protection | NA |
Working Indicators | YES |
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