Nakamichi NHPD100.4 Class D 4-Channel Car Amplifier | 2800W Max | 100W RMS x 4 at 4Ω

Upgrade your car audio system with the powerful and efficient Nakamichi NHPD100.4 Class D 4-Channel Amplifier, designed to deliver clean, distortion-free sound with high output performance. Built with advanced Class-D technology, this amplifier ensures maximum efficiency, lower heat generation, and compact size—perfect for modern car installations.

With 100W RMS × 4 channels at 4Ω, this amplifier is ideal for driving component speakers, coaxials, or even bridging for subwoofer applications, making it a versatile solution for complete car audio upgrades.

🔊 Key Features

✔ Class-D Amplifier Technology – High efficiency with low heat output and compact design

✔ 100W RMS × 4 @ 4Ω – Strong, clean power delivery for speakers and audio systems

✔ Up to 2800W Max Power – High peak output for dynamic sound performance

✔ Bridgeable Channels – Supports 300W × 2 bridged output @ 4Ω for subwoofer applications

✔ Wide Frequency Response (20Hz–20kHz) – Ensures full-range sound reproduction from deep bass to crisp highs

✔ Low Distortion (≤0.2% THD) – Clean audio output with minimal distortion

✔ High Signal-to-Noise Ratio (≥91 dB) – Clear and noise-free sound performance

✔ Adjustable Input Sensitivity (0.2–6V) – Compatible with both OEM and aftermarket head units

✔ Built-in Crossovers & Controls – Fine-tune HPF/LPF settings for optimal sound tuning

🔧 Technical Specifications

• Amplifier Type: Class D
• Channels: 4 Channel
• RMS Power @ 4Ω: 100W × 4
• RMS Power @ 2Ω: 150W × 4
• Bridged Power @ 4Ω: 300W × 2
• Max Power: 2800W
• Frequency Response: 20Hz – 20kHz
• Signal-to-Noise Ratio: ≥91 dB
• THD: ≤0.2%
• Input Sensitivity: 0.2V – 6V
• Dimensions: Approx. 150 × 108 × 51 mm

📦 Package Includes

• 1 × Nakamichi NHPD100.4 Amplifier
• Mounting Screws
• User Manual

🚗 Why Choose Nakamichi NHPD100.4

• Ideal for complete speaker system upgrade (front + rear)
• Compact design fits easily under seats or tight spaces
• Efficient Class-D design for cooler operation & reliability
• Perfect balance of power, clarity, and affordability
• Trusted legacy of Nakamichi audio engineering

🛠 Installation Notes

• Suitable for component + coaxial speaker setups
• Can be bridged to power a subwoofer
• Works with both stock and aftermarket stereos
• Professional installation recommended for best tuning