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WONDOM AA-AB32472 Stereo Amplifier Module
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Wondom AA-AB32472 Class D Stereo Amplifier Module TPA3118 2x23W 8 Ohm
With the AA-AB32472, Wondom offers a Class D amplifier module. Designed with a Texas Instruments TPA3118 amplifier chip, this module delivers 2x23W of power at 8Ω, ensuring high-fidelity sound with low noise and 92.6% efficiency.
Wondom AA-AB32472: High-quality amplification
The AA-AB32472 module benefits from Wondom's experience in audio circuit design, allowing you to enjoy amplification that doesn't degrade the original signal. This module boasts a signal-to-noise ratio of 100dB, a total harmonic distortion (THD) of just 0.0516% and a noise level of only 84.8µV.
Wondom AA-AB32472: Unfailing reliability
The AA-AB32472 module consumes only 0.72W without signal when powered on and 0.07W in standby mode. Its excellent heat dissipation eliminates the need for an additional heat sink and ensures excellent reliability. Furthermore, this amplifier module features mute and standby functions for a quality user experience. Finally, a fully integrated protection circuit, including overheating protection, overcurrent protection, and reverse polarity protection, is built into this board for high reliability, ensuring a long service life.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier module |
| Amplification type | Class D |
| Channels | 2 |
| Output power | 2x23W @ 8Ω, 1% THD+N 2x30W @ 8Ω, 10% THD+N |
| Inputs | 1x Stereo RCA Solder pads |
| Output | Screw terminals |
| Amplification chips | TPA3118 |
| Total harmonic distortion more noise (THD+N) | 0.0516% @ 8Ω, 1W, 1KHz 0.134% @ 8Ω, 10W, 1KHz |
| Signal-to-noise ratio (SNR) | 100dB |
| Minimum load impedance | 3.2Ω |
| Gain | 25dB |
| Efficiency | 92.6% |
| Input impedance | 20kΩ |
| Input sensitivity | 827mV |
| Protections | Overheating Overcurrents Polarity reversal |
| Frequency response | 20Hz - 20kHz |
| General | |
|---|---|
| Power supply voltage | 10-26V DC (power supply sold separately) |
| Dimensions | 91.44 x 68.58mm |
| Mounting holes spacing | 83.82 x 60.96mm |
| Package | 1x Wondom AA-AB32472 |
| Input | RCA |
| Output | Screw terminals |
| Color | Black |
| Impedance (Ω) | 4 |
| Efficiency / Sensitivity (dB) | 85.0 |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Lowest frequency (Hz) | N/A |
| Highest frequency (Hz) | N/A |
| Amplifier chip | TPA3118 |
| Power (W) | 250.0 |
| Number of ways | 2 |
| Number of loudspeakers | 3 |
| Speaker type | Passive |
| Speaker form factor | Bookshelf speaker |
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