YJCO TPA3255 HIFI 2.1 Amplifier Board QCC3084 Bluetooth 5.4 24Bit/96K LDAC AptX HD 300W×2/4Ω+600W/2Ω Subwoofer Output Audio Amp
SPECIFICATIONS
Brand Name: NONE
Choice: yes
High-concerned chemical: none
Item: Amp Board
Origin: Mainland China
Package:
Amp Board*1






Notes:
1. The amplifier board output must only be connected to passive speakers. Do NOT connect it to active speakers or constant-voltage speakers.
2. The amplifier board is powered by DC 24V–48V. Higher voltage yields higher output power, but the input voltage must never exceed 48V. Also, the positive and negative terminals of the power supply must not be reversed, as this will permanently damage the amplifier board.
3. The negative terminals of the left and right channel outputs of the amplifier board must not be connected together, as this will cause the amplifier to burn out.
4. The Bluetooth name is "YJHIFI". The device will automatically switch to Bluetooth input mode when your phone connects to it.
Specificaitons
Model: TPA3255 2.1 Channel Bluetooth Amplifier Board
Output Channels: 2.1 Channel
Amplifier Chip: Dual TPA3255 Chips
Bluetooth Chip: QCC3084
Decoding Chip: PCM5102A
Bluetooth Version: 5.4
Bluetooth Protocols: LDAC, APTX, APTX HD, AAC, SBC, APTX LOSSLESS, APTX ADAPTIVE
Bluetooth Parameters: 24BIT/96K
Frequency Response: 20-20KHz
Power Supply: DC 24V-48V (Higher voltage yields higher output power)
Output Power: 300W*2 (4Ω) + 600W (2Ω), measured at 48V
Total Harmonic Distortion (THD): 0.05%
Compatible Speakers: 50W~300W, 4Ω / 8Ω / 16Ω
Protection Mechanisms: Reverse polarity protection, short-circuit protection, self-resetting overheating protection
Dimensions: 132*122*42mm
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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