NAKAMICHI NDSK4165AU

Nakamichi NDSK4165AU Digital Signal Processor Amplifier. Engineered for drivers who want crystal-clear sound reproduction and custom audio staging without replacing their original factory head unit, the NDSK4165AU provides complete control over your car’s acoustic environment.

By integrating a 6-channel DSP with a high-efficiency 4-channel power amplifier in a single compact chassis, this unit allows you to fine-tune active crossover frequencies, speaker time alignment, and channel equalizers to create a rich, studio-quality soundstage right on your dashboard.

Key Features & Highlights

• Integrated 4-Channel Amplifier: Delivers continuous 4x60W RMS (4x300W Peak Power) to drive your door speakers with clean, distortion-free output.

• 6-Channel Digital Signal Processor: Features 4 active amplified outputs plus 6-channel low-level RCA outputs for expanding your system with external power amplifiers or active subwoofers.

• 15-Band Precision Equalizer: Independent 15-band parametric EQ per channel lets you eliminate cabin reflections, smooth out frequency peaks, and enhance dynamic detail.

• Built-in Bluetooth Audio Streaming: Stream lossless music wirelessly straight from your smartphone to the DSP without going through degraded factory Bluetooth circuits.

• Digital Time Alignment & Active Crossovers: High-precision digital time delay (up to 20ms) aligns sound arrival from each speaker to the driver’s seat, paired with selectable Butterworth, Bessel, and Linkwitz-Riley crossover slopes.

• PC & Mobile App Control: Tuning is fast and intuitive—adjust parameters via Windows PC software or tweak presets on the go using the Android / iOS smartphone app.

• Flexible Input Options: Supports 4-channel high-level speaker inputs with auto turn-on function for seamless OEM factory radio integration, as well as low-level RCA inputs.

• Package Contents

  • 1x Nakamichi NDSK4165AU DSP Amplifier

  • 1x Power / Speaker Input Cable Harness

  • 1x USB Cable (PC Tuning)

  • Mounting Brackets & Hardware Kit

  • 1x User Manual