TDA7498E 160W+160W DC 12-24V bluetooth 4.0 CSR Digital Stereo Audio Amplifier Board With Housing

Note: This is a DIY kit, you need to assemble it. We do not provide installation instructions, please follow the list to solder. List: Click here to open Description: 160W+160W DC 12-24V bluetooth 4.0 CSR digital stereo audio amplifier, use TDA7498E power amplifier chip, with high transfer speed, low distortion, natural and fine sound, defined trebles and deep bass. Delicate black aluminum case, with pull profiling, oxidation coloring, CNC process. One ON/OFF tiny switch, three tiny knobs built in front of the amplifier, L/R Volume+Main Volumn+Trebles/Bass Volumn adjustment. Wiring: ROUT+ (right channel output+) ROUT- (right channel output-) LOUT+ (left channel output+) LOUT- (left channel out[ut-) BASS+ (bass output+) BASS- (bass output-) ANT (bluetooth signal antenna) LED indicator: Green light lits up: the bluetooth amplifier is working Red light lits up: stand by Blue light flashes quickly: the bluetooth has not been connected yet Blue light flashes slowly: bluetooth is working Connect the bluetooth: Search bluetooth "SHUNUO Audio" on your device and connect. This audio receiver is compatible with all the bluetooth devices. Parameter: Power input: DC 12-24V(Max 36V) Input current: up to 4A is recommended Input signal: bluetooth 4.0 input, Audio input(LINE IN) Output power: 160W/ 4 ohm; THD=10% Efficiency: 85% Aluminum case color: Black (with CNC processing; the color won't easily fade) Dimention: 15.7*12.6*3.6cm (L*W*H) Input jack: RCA jack, stereo input LINE IN jack: Audio input cable should with 3.5mm head BASS VOL: Bass volumn adjustment MAIN VOL: Main volumn adjustment LR VOL: Left / Right channel volumn ON/OFF: Mode switching Note: This product does not include power adapter and audio input cable. Common problem: 1. Power supply is unstable, or power supply module causes interference. 2. Use the switching power supply as a power supply. 3. Use the power transformer as power supply, and do not do a good job on shielding isolation to avoid interference. 4. With electromagnetic interference in the working environment. 5. There is a self-problem of the audio input device. Suggested treatment: 1. Keep the amplifier a certain distance away from the power supply to avoid electromagnetic interference, it is best to use more stable high-quality power supply, such as 2. If you use the power transformer, it is best to use a iron shell to cover the power supply to prevent electromagnetic interference. 3. Each amplifier chip has a unique sound field itself, if sound card driver or player software's sound effect have been set, some special effects software's simulation effect may cause amplifier distortion. It is recommended to close the sound setting of the software or river before using connecting your mobile phone or laptop computer. 4. What is more, it is better to clean the volume potentionmeter after a long time usage. Package includes: 1 x Hifi Mini bluetooth Amplifier with case