Feature: 1. STABLE AND STURDY: Wood grain appearance with sturdy shell, 5.0 Bluetooth dual 50W channels, stable connection, durable construction 2. MULTIPLE DECODING: Support U disk and small memory card playback, support multiple format decoding (MP3, WAV, APE, FLAC), MP3 sampling rate from 8~48K, bit rate from 8~448Kbps, bit width is 16bits, channel is mono stereo; WAV sampling rate from 8~48K, format is WAV ima, for Microsoft AD PCM, or WAV PCM, bit width for 16bits; FLAC sampling rate from 8~48K, bit width is 16bits; APE support FAST or NORMAL encoding, bit width is 16bits 3. WIDE APPLICATION: The power amplifier can be connected to mobile phones, computers, tablets, notebooks, MP3, TVs and projectors with AV audio(RCA jack) or 3.5mm headphone output jack. Various mainstream Bluetooth devices on the market can be connected to enable wireless transmission 4. AUDIO INPUT: Support 3.5mm stereo sound input, RCA stereo sound input, small memory card, U disk, USB audio input(can be connected to computer, mobile phone, OTG, tablet OTG) 5. STABLE AND DURABLE: Power amplifier come with stable structure, excellent performance Specification: Item Type: Mini Bluetooth 5.0 Power Amplifier Feature Type: 2.0 Stereo Output Power: 50W and 50W Power Supply: DC9V-24V Bluetooth Distance: Approx. 12 meter / 39.4ft(barrier free) Bluetooth Protocol: 5.0 Product Size(LxWxH): Approx. 110 x 90 x 50mm / 4.33 x 3.54 x 1.97in Audio Input: 3.5mm stereo sound input, RCA stereo sound input, small memory card, U disk, USB audio input(can be connected to computer, mobile phone, OTG, tablet OTG). Package List: 1 x Mini Bluetooth 5.0 Power Amplifier 1 x User Manual Note: Power Supply: The power amplifier adopts TPA 3116 chip. The actual output power can reach 50W per channel, 2 channels total 100W (24V power supply), equipped with 12V5A power supply. The output power is 30Wx2 (4 ohms), if connected to 8 ohm speakers. The output is about 15Wx2. If you need higher power, ensure the power supply capacity meets requirements. Do not exceed 24V input voltage, as exceeding the limit may damage the unit, and the power supply should meet minimum current requirements to prevent shutdown. Amplifier Output: The power amplifier supports passive speakers of 4, 6, 8, 16 ohms. Cannot be connected to active audio such as computer audio, and not suitable for passive subwoofers. The output interfaces are for external speakers and cannot be connected to 3.5mm headphone plugs or RCA plugs directly into output terminals. Vehicle Power Supply: Compatible with conventional 12V batteries for cars and motorcycles. 24V batteries are not recommended, as voltage fluctuations during operation may exceed 24V. Maintain input voltage within rated limits for safe operation.