Amplifier Board 2 Channel Class D Power Amplifier Board

TPA3255 Audio Digital Amplifier High Power 315W + 150W DC24-40V HiFi Cla D Amplifier AMP Board Description: 1. TPA3255 is a high-performance cla D power amplifier, it has cla D efficiency and can bring true high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction function (PurePath Ultra HD). 2. This technology allows the device to maintain ultra-low distortion throughout the audio frequency band while exhibiting perfect sound quality. The device works in AD mode. When the THD is 10%, it can drive up to 2 315W/4R loads and 2 150W (unclipped power)/8R loads, and has a 2 VRMS analog input interface that supports high-performance DAC (For example, TI's PCM5242) seamle connection. 3. In addition to excellent audio performance, TPA3255 also has two major advantages: high power efficiency and ultra-low power level idle lo (le than 2.5W). This can be achieved with an 85mR MOSFET and an optimized gate driver scheme. Compared with the traditional discrete implementation, this solution can significantly reduce idle lo. Specification: Working mode: Level D Standby current: 80mA Work efficiency: > 90% Channel: 2.0 Rest / mute: short circuit mute function Output power: 315W/ 4 Ω, distortion 10% 185W/ 8 Ω, distortion 10% 260W / 4 Ω, distortion 1% 150W / 8 Ω, distortion 1% Frequency response: 20Hz to 20KHz Dynamic range: > 100 dB Signal to noise ratio: (SNR) > 111db Working voltage: dc24-40v switching power supply (recommended voltage: 36V) Product size: 110 * 70 * 36.5mm Product weight: 160g Package size: 110 * 70 * 36.5mm Packing weight: 160g Product details: 1. Use TPA3255 2. The computing end uses the replaceable DIP-8 op amp *2, and buyers can upgrade the computing model independently. This product uses 2 TI high-performance audio operational amplifiers NE5532P 2. The main filter electrolytic capacitor adopts Nichicon capacity 2200UF/63V*2, 6 Nichicon FW series 10UF golden audio input coupling capacitors. Other filter capacitors use Nichicon series. 3. Adopt SAGAMI 7W14A inductor for audio digital cla D amplifier to ensure the sound is clear and powerful. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Power Amplifier Board 1 X Signal Line

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