NAKAMICHI NDSE300A

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Product Overview

Upgrade your vehicle’s factory sound system with the Nakamichi NDSE300A 8-Channel Digital Signal Processor (DSP) with a built-in 8-channel amplifier. Engineered to resolve common OEM audio limitations—such as muddy staging, unbalanced frequencies, and weak speaker power—the NDSE300A combines flexible 8-channel high-level integration, robust internal amplification, and professional-grade digital sound tuning in a compact, low-profile chassis.   

Featuring 31-band parametric equalization per channel, high-resolution time alignment, built-in Bluetooth audio streaming, and direct USB playback, the NDSE300A gives you full acoustic authority to build a dynamic, well-centered soundstage in any car interior.   

Key Features

• 8-Channel High-Power Amplification: Delivers up to 8 × 50W Max power output, easily driving front 3-way active component setups, rear fill, or multi-speaker factory configurations directly.   

• 8-Channel Low-Level RCA Outputs: Provides complete flexibility to route processed signals to additional external amplifiers or active subwoofers.   

• 31-Band Parametric EQ: Independent 31-band equalization per channel allowing fine-grained frequency tuning, gain control (-12dB to +12dB), and Q-factor adjustments.   

• Precision Time Alignment & Crossovers: Adjust signal delay up to 25 ms (850 cm) per channel alongside customizable high-pass and low-pass active crossover slopes (Butterworth, Bessel, Linkwitz-Riley from 6 to 48 dB/oct).   

• Wireless Bluetooth & Direct USB Playback: Stream high-quality audio wirelessly or play high-resolution audio formats (FLAC, WAV, MP3, WMA) directly from a USB flash drive.   

• App & PC Control: Configure settings seamlessly via PC software or the convenient mobile app for real-time acoustic adjustments.   

• 6 Preset Music Scenes: Store and recall up to 6 custom sound tuning profiles for different genres or listening positions.   

• Smart Auto Turn-On: Features signal sensing (high-level input) or standard ACC switch modes, with an integrated +12V REM trigger output to power external equipment.   

Technical Specifications

• Type: 8-Channel DSP with Built-in 8-Channel Amplifier   

• Max Power Output: 8 × 50W   

• RMS Power Output: 8 × 25W   

• Frequency Response: 20Hz – 20kHz   Total Harmonic Distortion (THD): ≤ 0.05%  

• Signal-to-Noise Ratio (SNR): ≥ 98dB

• Input Signal Types: 8-Channel High-Level, Bluetooth, USB Storage   

• Output Signal Types: 8-Channel Powered Output, 8-Channel Low-Level RCA   

• Supported USB Formats: FLAC, WAV, MP3, WMA   

• Equalizer: 31-Band EQ per channel (Gain: -12dB to +12dB, Q: 0.3 to 50)   

• Time Alignment Range: 0 to 25 ms (0 to 850 cm)   

• Operating Voltage: DC 9V – 18V   

• Dimensions (L × W × H): 173 mm × 142 mm × 43 mm   

• Net Weight: Approx. 0.9 kg