This high-performance Bluetooth amplifier delivers crystal-clear sound for your home or office audio system. Featuring multiple connectivity options including Bluetooth 5.0, HDMI (ARC), Optical, and 3.5mm inputs, it works seamlessly with all your devices.

• 4.1 channel amplifier with 4x50W full-range outputs and 1 subwoofer channel
• Bluetooth 5.0 with aptX support for high-quality wireless audio
• Multiple input options: Bluetooth, HDMI (ARC), Optical, Coaxial, 3.5mm
• 400W peak power output for dynamic sound performance
• High-efficiency Class D amplifier with <0.05% THD
• 24-bit/192kHz DAC for superior audio decoding
• Universal voltage (100-240V) for worldwide use
• Standby power consumption <0.5W
• Automatic input detection and smart standby functions
• Includes remote control for convenient operation

1. Switch on Bluetooth mode on both the amplifier and your audio device

2. Select "BTA-450" from your device's Bluetooth menu (no password required)

Note: Maximum connection range is 10 meters (varies by environment). The amplifier automatically reconnects to the last paired device.

1. Connect speakers and power source
2. Turn on power switch (indicator light turns red)
3. Select input source via remote or front panel control
4. Adjust volume to desired level
5. Use standby mode when not in use (auto-standby after 15 minutes of inactivity)

• 1× Bluetooth Hi-Fi amplifier
• 1× Power cord
• 1× User manual
• 1× Remote control
• 1× CR2032 battery
• 1× Gift box

All products undergo strict quality control testing including:

• Raw material inspection
• Production line testing
• Final quality check before shipment
• 1-year warranty against manufacturing defects

Our products meet international standards including:

• CE (EMC, LVD, RF, ErP)
• RoHS
• REACH
• FCC
• ISO9001:2015 certified manufacturing