DC19-50V Audiophile-Grade Hi-Fi Digital Amplifier Board 300W + 300W High-Power 2.0 Dual-Channel Stereo Amplifier Board Module
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Specifications
- Brand Name
- Gaqqee
- Origin
- Mainland China
- High-concerned chemical
- None
- Condition
- New
- Type
- Module
- Supply Voltage
- C19V to DC50V (recommended current ≥5A)
- Dissipation Power
- Low Power Consumption
- is_customized
- Yes
- Quantity
- 1
- Operating Temperature
- Details Page
- Application
- Computer
- Package
- TQFP
- Power Amplifier IC
- TPA3255 chip
- Input Method
- 3.5mm stereo wired jack interface (3P)
- Operating Efficiency
- >90%
- Dimensions
- 122*73*30MM
- Choice
- yes
Product Description
Product Features:
1. Constructed from premium materials for exceptional durability
2. The TPA3255 is a high-performance Class D power amplifier chip, delivering Class D efficiency and circuitry capable of producing genuinely premium audio quality
3. Beyond exceptional audio performance, the TPA3255 combines high power efficiency with ultra-low idle power consumption (below 2.5W)
4. Stable performance, equipped with a premium heat sink
5. Versatile application, suitable for various industrial DIY scenarios
Product Specifications:
Power Amplifier IC: TPA3255 chip
Input Method: 3.5mm stereo wired jack interface (3-pin)
Operating Efficiency: >90%
Output Power:
315W/4Ω at 1.5% distortion
185W/8Ω at 1.5% distortion
260W/4Ω at 1% distortion
150W/8Ω at 1% THD
Frequency Response: 20Hz to 20kHz
Dynamic Range: >100dB
Signal-to-Noise Ratio (SNR): >111dB
Power Supply: DC19V to DC50V (recommended current ≥5A)
Dimensions: 122×73×30mm
Package Contents:
Digital Amplifier Board ×1
Pros & Cons
Pros
- High-efficiency >90% operation reduces heat and power consumption
- TPA3255 chip delivers audiophile-grade Hi-Fi audio quality at 300W per channel
- Compact size 122x73x30mm fits easily in custom audio projects
- Premium materials ensure long-term durability
Cons
- Requires external DC 19-50V power supply with ≥5A current, not included
- No built-in power supply or Bluetooth connectivity
- Limited to wired 3.5mm stereo input only
- Operating temperature details not fully specified
Common Questions
What materials is the amplifier board made from?
Constructed from premium materials for exceptional durability, featuring the TPA3255 high-performance Class D power amplifier chip.
What are the dimensions and size of the board?
The board measures 122 x 73 x 30 mm, making it compact for various audio setups.
What power supply is compatible with this amplifier?
Requires DC 19V to 50V power supply with recommended current of at least 5A; not compatible with lower voltage or insufficient current sources.
How do I use the input and connect speakers?
Uses a 3.5mm stereo wired jack for input; connect speakers to the dual-channel outputs for 300W + 300W stereo amplification.
What is the shipping origin and packaging?
Ships from Mainland China in TQFP package; new condition with quantity of 1 per order.
Product information last updated on December 14, 2025