🔥 Nois Audio NA400.1 NANO – Compact Class D Monoblock Amplifier

The Nois Audio NA400.1 NANO is an ultra-compact Class D monoblock amplifier engineered for clean, solid power in tight installation spaces. Delivering 400W RMS at 2 ohms, this NANO-series amplifier provides high efficiency, strong output, and impressive clarity—perfect for small to mid-size subwoofers or midrange/voceteo systems.

⭐ Product Description

The NA400.1 NANO packs serious performance into a miniature chassis. Built on Class D technology, it offers high efficiency, low heat, and stable power delivery even at higher volumes. Its compact footprint allows installers to mount it almost anywhere, making it ideal for vehicles with limited space.

This amplifier includes a wide adjustable crossover range, offering both high-pass (10Hz–700Hz) and low-pass (60Hz–22kHz) filters for precise tuning. With a frequency response of 60Hz–22kHz, the NA400.1 NANO delivers clean, dynamic sound suited for subs or midbass drivers.

If you need big performance from a small amplifier, this Nois Audio NANO is the perfect match.

📌 Key Specifications

• Amplifier Type: Class D Monoblock

• RMS Power: 400W at 2Ω

• Operating Voltage: 9V – 15V

• High Pass Filter: 10Hz – 700Hz

• Low Pass Filter: 60Hz – 22kHz

• Frequency Response: 60Hz – 22kHz

• Ultra-compact chassis design

• High-efficiency circuitry for clean and stable output

• Thermal and short-circuit protection

• High-quality RCA inputs

• Aluminum heat sink for improved cooling

💥 Main Features

• Strong 400W RMS output in a compact NANO footprint

• Class D efficiency for cooler, cleaner, more stable power

• Wide HPF/LPF crossover ranges for precise tuning

• Perfect for 6.5"–10" subwoofers or midrange/voceteo setups

• Ideal for hidden or tight installations

• Great performance-to-price ratio

• Durable construction and reliable protections

🛠️ Best For

• Small to medium subwoofers

• Midbass and voceteo systems

• Tight or hidden amplifier installations

• Upgrading weak factory systems

• Budget-friendly builds needing clean, reliable power