High-Resolution DSP • Class AB Amplifier • Designed for Precise Tuning
The Martin Roland E480-DSP is a high-performance 31-band Digital Sound Processor designed to dramatically improve clarity, balance, and sound staging in car audio systems. Powered by the Japan AKM AK7738 DSP processor with 96kHz / 24-bit sampling, the E480-DSP gives installers and audiophiles full control over frequency response, time alignment, and signal routing.
With optical, USB, and Bluetooth 5.2 inputs, plus multiple high-level and low-level channels, this DSP integrates seamlessly with OEM or aftermarket systems and supports advanced multi-speaker configurations.
| Specification | Details |
| EQ Band | 31-Band Equalizer |
| DSP Processor | Japan AKM AK7738 |
| Sampling Rate | 96kHz / 24Bit |
| Frequency Response | 20Hz – 22,000Hz |
| High-Level Input | 4-Channel |
| High-Level Output | 4-Channel |
| Low-Level Input | 2-Channel |
| Low-Level Output | 8-Channel |
| Low Output Voltage | Max 2.6V |
| Input Devices | Optical / USB / Bluetooth 5.2 |
| Built-in Amplifier | Class AB |
| MOSFET Power Output | 65W × 4 |
| Supported Impedance | 2–4 Ohm |
| Sensitivity | 92dB |
| Operating Voltage | DC 9V – 16V |
| Static Current | < 3mA |
| Product Dimensions | 165 × 116 × 41 mm |
Key Features
- 31-Band Graphic Equalizer for ultra-fine sound tuning
- Japan AKM DSP Chipset ensures accurate digital processing
- 96kHz / 24-bit High-Resolution Audio support
- Built-in 4-Channel Class AB Amplifier (65W × 4)
- Multiple Signal Inputs: Optical, USB & Bluetooth® 5.2
- Flexible Input / Output Configuration
- 4CH high-level input
- 2CH low-level input
- 8CH low-level output for advanced multi-amp systems
- Low Noise & High Signal Integrity design
- Wide Voltage Compatibility suitable for modern vehicles
Ideal For
- OEM head unit sound upgrades without replacement
- Advanced front-stage and multi-speaker setups
- Users demanding precise EQ and system control
- Pairing with external amplifiers or active speaker systems
- Installers who want a compact but powerful DSP solution
Why Choose the Martin Roland E480-DSP?
The E480-DSP delivers professional-grade tuning control with a compact footprint, premium Japanese DSP processing, and versatile connectivity. Whether upgrading a factory system or building a full active setup, it offers clean signal handling, powerful onboard amplification, and precise sound shaping—true to the Martin Roland philosophy of “Hear A Bigger World.”
