Details

---

MARTIN ROLAND E480-DSP | 31-Band Digital Sound Processor
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.”