[DETAIL]<br>Attention !!!<br>AK170 / AK270 / AK280 does not have Bluetooth functionality,<br>AK170 / AK270 / AK280<br>input audio via AUX or RCA.<br>AK-280 Specifications:<br>Type: Hifi Power Amp<br>Channel: 2.0<br>Material: Aluminum Alloy<br>RMS Power: 40W+40W<br>Rated Voltage: 12V/3A<br>SNR: 90dB<br>Resolution: 47K<br>Distortion Rate: 0.1<br>Impedance: 4-8 Ω<br>Rated frequency: 20-20KHz<br>Receiving mode: RCA/Aux<br>Size: 155x75x46mm<br>Package Included:<br>1x Power Amplifier<br>1x User Manual<br>1x Power Supply(Only if buy)<br>AK-270 Features:<br>- Mini HIFI audio power amplifier.<br>- Aluminum alloy body, thick, feel is also very good.<br>- Large knobs are designed with blue LED lights to make the products more beautiful.<br>- Low distortion supplies a clearer, stronger and more powerful sound.<br>- Two main channel output, Left and right channel outputs are interfaces for speakers.<br>- Support AUX input.<br>Specifications:<br>Model: AK270<br>Material: Aluminum Alloy<br>Color: Balck<br>Channel: 2CH<br>RMS Power: 20W x 2<br>Max Power: 200W x 2<br>Input Voltage: DC 12V ＞3A<br>SNR: 85dB<br>Distortion Rate: ＜0.4%<br>Load Impedance: 4-8Ω<br>Frequency: 20Hz-20KHz<br>Size: 12.5*10.5*4.2cm / 4.9x4.1x1.7in (L*W*H)<br>Package Included:<br>1x Power Amplifier<br>1x User Manual<br>1x Power Supply(Only if buy)<br>AK-170 Features:<br>Type: Hifi Power Amp<br>Channel: 2.0<br>Material: Aluminum Alloy<br>RMS Power: 20W+20W<br>Rated Voltage: 12V/3A<br>SNR: 85dB<br>Resolution: 47K<br>Distortion Rate: 0.1<br>Impedance: 4-8 Ω<br>Rated frequency: 20-20KHz<br>Receiving mode: RCA<br>Size: 125x105x42mm<br>Package Included:<br>1x Power Amplifier<br>1x User Manual<br>1x Power Supply(Only if buy)<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- Package: Yes<br>- Channels: 2 (2.0)<br>- High-concerned chemical: None<br>- Package: Yes<br>- Channels: 2 (2.0)<br>- Model Number: AK170/AK270/AK280<br>- Maximum Power Per Channel: Above 200W<br>- Brand Name: WAPUNO<br>- Origin: Mainland China<br>- Certification: CE