2x3W Mini Stereo Audio Amplifier Board with PBC Case DC 3.7-5V for FiiO Ampero II DIY Speaker Portable Power Bank Mobile Phone

2x3W Complete Bluetooth 5.0 Amplifier Kit with Metal Case & Remote The Ultimate Plug-and-Play Audio Upgrade for Compact Spaces Welcome to the perfect core of any small-scale audio project. This isn’t just a bare circuit board—it’s a complete, ready-to-run kit featuring a 2x3W Class D amplifier pre-installed in a sleek aluminum alloy case, paired with a full-function IR remote, and presented in a color gift box. Designed for DC 3.7V-5V power (USB/power bank compatible), it’s the simplest way to add crisp wireless audio to desktop setups, portable DIY speakers, or revitalize old devices. Unbox, connect, and play in minutes.

🎵 Surprisingly Rich Sound for Its Size 2x3W RMS Clean Power: Delivers clear, full stereo sound ideal for desktop speakers, small bookshelf units, or custom mini enclosures.

5-in-1 Playback Versatility: Stream via Bluetooth 5.0, play files directly from USB/TF Card, tune into FM Radio, or connect legacy devices via 3.5mm AUX.

High-Fidelity Audio: Enjoy detailed audio with a ≥85dB signal-to-noise ratio and minimal <0.1% distortion.

⚡ Ultra-Portable & Flexible Power Wide Low-Voltage Input (3.7V-5V): Perfectly powered by any USB port, phone charger, or power bank. Ideal for truly portable, battery-operated projects.

Efficient Class D Design: Provides great sound with minimal heat and power draw, maximizing battery life.

Compact & Durable: The sturdy metal enclosure ensures robustness, looks professional, and aids in heat dissipation.

What‘s in the Box? (Everything You Need) ✅ 1 x 2x3W Amplifier Unit (Pre-mounted in Metal Case)

✅ 1 x Set of Connection Cables (Speaker Wires)

Origin: Mainland China Output Power: 2 x 3W RMS Product Type: Audio Power Amplifier Board SNR (Signal-to-Noise Ratio): >85dB Supported Audio Formats: MP3, WMA, WAV, FLAC THD (Total Harmonic Distortion): <0.05% (Typical) Operating Voltage: DC 3.7V - 5V Bluetooth Version: 5.0 Quiescent Current: Approx. 15mA Wireless Range: Up to 10 meters (Line of Sight) Brand Name: ARuiMei High-concerned chemical: none Frequency Response: 20Hz - 20kHz Operating Current: 0.5A - 2A Playback Modes: Bluetooth, USB Flash Drive, TF/Micro SD Card, FM Radio, 3.5mm AUX Input Choice: yes