Zapco Duke HB 48 ADSP – Integrated 8 Channel DSP / 4-Channel Class-AB Amplifier

Upgrade your car audio system with the Zapco Duke HB 48 ADSP, a powerful integrated DSP processor and Class-AB amplifier designed for high-quality sound tuning and system control. This advanced audio processor features 8-channel digital signal processing combined with a built-in 4-channel amplifier, making it ideal for building a premium car audio setup with precise tuning and improved sound clarity.

The built-in DSP includes 31-band equalization and full tuning tools, allowing professional installers and enthusiasts to adjust crossover, time alignment, and output levels for a perfectly balanced soundstage inside the vehicle.

With Bluetooth 5.1 streaming, multiple input options, and mobile/PC control software, the Zapco Duke HB 48 ADSP provides a complete solution for upgrading factory or aftermarket audio systems with superior tuning flexibility and audio performance.

Key Features

✔ 8-Channel Digital Signal Processor – Advanced DSP with 31-band EQ for precise sound tuning and system optimization.

✔ Integrated 4-Channel Class-AB Amplifier – Delivers clean amplification with smooth and natural sound performance.

✔ High-Level & RCA Inputs – Includes 4 high-level inputs and 2 RCA inputs for easy integration with OEM or aftermarket head units.

✔ 8 RCA Outputs – Allows expansion to additional amplifiers or subwoofer setups for advanced audio systems.

✔ Bluetooth 5.1 Streaming – Built-in wireless streaming for high-quality music playback directly from smartphones.

✔ USB Music Player Support – Plays multiple audio formats including FLAC, WAV, AAC, APE, and MP3 via USB storage.

✔ PC & Mobile DSP Control – Configure DSP settings using dedicated software on PC or smartphone apps.

✔ Optional Remote Controller – Adjust master volume, subwoofer level, presets, and music control from the dashboard.

Technical Specifications

• Model: HB 48 ADSP (Duke)

• DSP Channels: 8-Channel DSP

• Amplifier Type: 4-Channel Class-AB Amplifier

• EQ: 31-Band Equalizer

• Power Output: Up to 4 × 70W (Max)

• RMS Power: Approx. 4 × 20W @ 4Ω / 4 × 35W @ 2Ω

• Inputs: 4 High-Level + 2 RCA Inputs

• Outputs: 8 RCA Outputs

• Frequency Response: 20 Hz – 20 kHz

• Bluetooth: Version 5.1

• Dimensions: Approx. 160 × 115 × 45 mm

Why Choose Zapco Duke HB 48 ADSP

• Ideal for OEM system upgrades with DSP tuning

• Perfect for multi-speaker car audio systems

• Compact DSP amplifier with Bluetooth streaming & advanced tuning

• Delivers precise sound staging, better clarity, and balanced audio performance