HiFi 4.0CH Bluetooth Digital Power Amplifier for Home Car Subwoofer Audio Amplifier

Audio Input: Bluetooth / USB (USB Flash Drive) / Stereo RCA / 3.5mm AUX / SD & MMC Card Audio Output: Raw Cable Speaker Jack / Low-Frequency Output (Connect to an Active Subwoofer) Bluetooth Version: 5.0 Channels: 4.0 (2.0 / 2.1 / 4.1 Supported) USB Flash Drive/SD/MMC Format: MP3 / APE / FLAC / WMA / WAV Max. USB Flash Drive/SD/MMC Capacity: 64GB Max. Output Power: 45W x 4 Speaker Impedance: 4-8Ω Frequency Response: 20Hz-20KHz Distortion: <0.4% SNR: ≥80dB Treble and Bass Control: Supported Remote Control: Supported Operating Voltage: DC 12V-14V Dimensions (W x D x H): 175 x 123 x 44mm / 6.89 x 4.84 x 1.73in Net Weight: 520g 1.15 lb Package Weight: 900 g / 1.98 lb Special Output Design and Independent Control: The 4.0 channel can be split into two groups of 2.0 channel outputs, and the volume of each group can be adjusted independently. A special low-frequency output is also designed for connecting an active subwoofer, making it extremely convenient for building 2.0/2.1/4.0/4.1 channel systems. Rated 45W x 4 Output: Easily drives most passive speakers with impedances between 4 and 8 Ω, enhancing your entertainment system with unparalleled, superior sound quality. Multiple Audio Inputs: In addition to Bluetooth 5.0, stereo RCA, and 3.5mm AUX inputs, it also supports inputs for iPads, smartphones, MP3 players, CD players, computers, decoders, and more, as well as USB (USB flash drive), SD cards, and MMC cards, allowing you to easily enjoy high-quality lossless music at home or on the go. Perfect design with powerful features: Equipped with a volume knob, treble and bass controls, it's easy to achieve a more refined sound. The LED display clearly shows the operating status in real time, and the included remote control makes it much easier to use, making it ideal for indoor and outdoor audio systems. The 12V-14V DC operating voltage makes it suitable for many applications. In addition to use in home desktop audio systems, it can also be used in cars, boats, RVs, golf carts, and anywhere else you need a high-quality amplifier with low distortion and accurate playback.