MARTIN ROLAND | E680-DSP Elite Series 8-Channel DSP + 6-Channel Amplifier
Quad-Core DSP • 96kHz/24bit HD Audio • Plug & PlayThe Martin Roland E680-DSP is a high-performance 8-channel Digital Signal Processor combined with a 6-channel power amplifier, engineered for audiophiles who demand precision tuning and powerful output in a compact, plug-and-play package. Featuring a quad-core DSP chip, 96kHz/24bit processing, Bluetooth 5.0 input, time alignment, and extensive filtering options, this Elite Series processor amplifies both clarity and control.
Designed in France with advanced tuning capabilities via mobile app or PC software, the E680-DSP delivers a world-class sound upgrade for any vehicle—without cutting any original wiring.
| Feature | Details |
| DSP Type | Quad-core 4-in / 8-out processor |
| Sampling Rate | 96kHz / 24bit HD Audio |
| Input Options | 4ch High-Level / 2ch RCA / Optical / Bluetooth 5.0 / USB Lossless Audio |
| Amplifier Output | 6×45W RMS / 6×85W MAX |
| RCA Outputs | 8-Channel Low-Level |
| Voltage | 9V – 16V DC |
| S/N Ratio | >108dB |
| THD | <0.05% |
Main Features
Plug & Play Installation
- Dedicated wiring harness included
- No wire cutting, safe for new vehicles
- Supports OEM EPS resistance detection
High-Resolution Audio Processing
- Quad-core DSP with 96kHz / 24bit HD audio
- USB lossless audio playback
- Optical digital input for pure signal transmission
6-Channel Amplifier
- Efficient power delivery:
- 6 × 45W RMS
- 6 × 85W MAX
- Clean, stable amplification
Advanced Tuning Capabilities
- 31-band EQ with 0.1dB precision
- All-pass filter for phase control
- High/Low-Pass Filters
- 3 filter types (Linkwitz-Riley, Butterworth, Bessel)
- Adjustable 6–48dB/oct slopes
- Time Alignment: 0–692cm (1mm precision)
Multiple Control Options
- Tuning via Mobile App (iOS/Android)
- PC tuning software
- Optional physical control panel
Input / Output Versatility
- 4-channel high-level input for OEM head units
- 2-channel RCA input
- Bluetooth® 5.0 HD audio
- Optical input
- 8-channel RCA analog output for multi-amp setups
- Multi-source signal mixing
Ideal For
- Universal upgrade for any vehicle
- Users upgrading OEM systems without replacing the head unit
- Audiophiles who require detailed tuning control
- Multi-speaker / multi-amplifier setups
- Cars needing plug & play installation with minimal wiring changes



