DC 5V Bluetooth Power Amplifier Board Micro USB Digital Amplifier Module
- Amplifier Chip: PAM8403
- Operating Voltage: DC 5V.
- Output Power: 2x 3W.
- Applicable Speaker Impedance: 4/6/8 ohm
- Audio input mode: Bluetooth audio receiver
- Mini size, convenient and easy operation
- Output interface: 2.54 gauge 4 needle
- Dual-channel digital power amplifier Board PBTL.
- 3W output and low power consumption.
- The sound quality is very good by using this module.
- Application: DIY Bluetooth speaker, home, and car audio system modification.
- Dimension: 42 x 25 x 5mm
- Weight: 3 gm.
TDA7492P 50W Wireless Bluetooth 4.0 Audio Receiver with Digital Amplifier
- Wide-range single-supply operation (8 – 26 V)
- Audio input: Stereo input various versions of the Bluetooth connection, using CSR8635 Bluetooth chip, Bluetooth v4. 0, high software compatibility
- 25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω
- Output impedance: 8o (4, 6, 8, 16o impedance can drive speakers)
- High efficiency (η = 90%)
- Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB
- Differential inputs minimize common-mode noise
- Standby and mute features
- Short-circuit protection
- Thermal overload protection
- Externally synchronizable
- Colour: Red
- Material: Plastic