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Main image of S600X-W 2.1 Channel Bluetooth Amp Board Dual TPA3255 HiFi Class D, 300W×2 + 600W Subwoofer, DC 19-51V, BT 5.2, AUX & USB, for DIY Home Theater Passive Speakers

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Alt view image 4 of 7 - S600X-W 2.1 Channel Bluetooth Amp Board Dual TPA3255 HiFi Class D, 300W×2 + 600W Subwoofer, DC 19-51V, BT 5.2, AUX & USB, for DIY Home Theater Passive Speakers

Alt view image 5 of 7 - S600X-W 2.1 Channel Bluetooth Amp Board Dual TPA3255 HiFi Class D, 300W×2 + 600W Subwoofer, DC 19-51V, BT 5.2, AUX & USB, for DIY Home Theater Passive Speakers

Alt view image 6 of 7 - S600X-W 2.1 Channel Bluetooth Amp Board Dual TPA3255 HiFi Class D, 300W×2 + 600W Subwoofer, DC 19-51V, BT 5.2, AUX & USB, for DIY Home Theater Passive Speakers

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S600X-W 2.1 Channel Bluetooth Amp Board Dual TPA3255 HiFi Class D, 300W×2 + 600W Subwoofer, DC 19-51V, BT 5.2, AUX & USB, for DIY Home Theater Passive Speakers

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Dual TPA3255 Chips for Massive 2.1 OutputBuilt with two genuine TPA3255 ClassD amplifier chips, this board delivers powerful stereo and subwoofer channels. Maximum output reaches 300W × 2 for left/right (4) and 600W for the subwoofer (2) enough to drive large passive speakers, subwoofers, or a full home theater setup
Three Independent Input Modes (BT / AUX / USB) Switch easily between Bluetooth 5.2, 3.5mm AUX, and USB input. The USB port supports FAT32 flash drives (up to 32GB) and plays WAV, FLAC, APE, MP3. It also works as a USB sound card when connected to a computer. Bluetooth is the default mode on first poweron
Wide DC 1951V Power Range & Builtin ProtectionsOperates from 19V to 51V DC (10A or higher power supply recommended). Higher voltage unlocks higher output refer to the output power table in the manual. Integrated protections include shortcircuit, overcurrent, overtemperature, and reverse polarity to help prevent damage under normal use

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DIYFriendly Panel DesignThe board comes with a precut DIY panel, allowing you to mount the amplifier into a speaker box or enclosure without drilling holes. All interfaces (power, speaker terminals, input selector, and volume knobs) are clearly labeled for easy wiring
Important Power Note for Best PerformanceTo achieve the rated power output, use a DC power supply within 1951V with sufficient current (10A). The actual output depends on the supply voltage and speaker impedance. Avoid operating the amplifier beyond recommended conditions to ensure stable performance and longevity