A300 Amplifier Bluetooth Power Amplifier for Speaker 1ch BTL 330W Class D Audio Digital Amplifier S.M.S.L Stereo/Monaural HI-FI 2.1ch 2.0ch

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Equipped with Infineon's new amplifier IC! It provides high sound quality and excellent audio performance with extremely high energy consumption efficiency. The A300 can be used not only in stereo 165W + 165W, but also in BTL mode, it becomes a 330W high-power monaural amplifier, allowing you to build the optimal system that matches the speakers you use. Usually, it is combined with a pair of passive speakers to form a 2.0ch Hi-Fi sound system, but if you need super bass, you can switch the A300 to high-pass mode (it is also necessary to switch to stereo mode), cut the bass in the stereo section through the internal high-pass circuit, connect a subwoofer with the SW terminal, and create a 2.1ch sound system that produces plenty of bass! Compatible with Bluetooth 5.0 input. Enjoy the best music wirelessly anywhere! SMSL patented effect SDB, bass/treble correction function, remote control operation Product specifications: Output: 165Wx2 (4Ω), 85Wx2 (8Ω) BTL output: 330Wx1 (4~8Ω) THD+N: 0.004% S/N ratio: 103dB Channel separation: 85dB High-pass cutoff frequency: 50Hz Input sensitivity: 280mW Input impedance: 22kΩ Bluetooth ver: BT5.0 Input terminal: Stereo RCA terminal (gold-plated specification), USB, Bluetooth Output terminal: 2ch stereo speaker output (gold-plated specification) Power consumption: 40W (at normal volume) Size: Height 41mm x Width 210mm x Depth 198mm Accessories: 1x Simple manual (Chinese and English only) 1x Bluetooth antenna 1x USB A-A cable 1x Remote control 1x Power cable