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WONDOM AA-AB32361 Class D Stereo Amplifier Board TDA7498E 2x110W 4 Ohm
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Wondom AA-AB32361
Class D Stereo Amplifier Board TDA7498E 2x110W 4 Ohm
The Wondom AA-AB32361 is a stereo amplifier module capable of delivering 2x110w of power at 4Ω. Featuring a Class D architecture based on a TDA7498E amplification chip, it achieves a very high efficiency of 95% and excellent sound quality with very low distortion and noise level. Its SNR is measured at 87dB and its THD+N at 0.032% (@ 4 Ohm, 1W, 1kHz).
The amplifier is also topped by a fan and radiator to effectively dissipate the heat emitted by the components. It also benefits from a complete protection system, against overheating or overcurrent.
Technical characteristics
| Spécifications | |
|---|---|
| Product type | Amplifier board |
| Channels | Stereo (2) |
| Output power | 2x 160W @ 4Ω, 36VDC, THD+N 10% 2x 111W @ 4Ω, 36VDC, THD+N 1% |
| Input | 1x Stereo RCA |
| Output | 1x Speaker output on screw terminal |
| Protections | Over-current Over heating |
| Measurements | ||||
|---|---|---|---|---|
| Parameter | Conditions | Min. | Typ. | Max. |
| Max current | 320W @ 4Ω | - | 9.6A | - |
| Efficiency | 160W @ 4Ω | 90% | - | 95% |
| Min load impedance | - | - | 4Ω | - |
| Switching frequency | SD Floating | - | 350kHz | - |
| Gain | K1 ON, K2 ON | - | 23.6dB | - |
| K1 ON, K2 OFF | - | 29.6dB | - | |
| K1 OFF, K2 ON | - | 33.1dB | - | |
| K1 OFF, K2 OFF | - | 35.6dB | - | |
| Input sensitivity | 4Ω, 160W, 1kHz | - | 1.923Vrms | - |
| Input impedance | - | - | 33kΩ | - |
| Output power | 4Ω, THD+N 1% | - | 111W | - |
| 4Ω, THD+N 10% | - | 160W | - | |
| Bandwidth @ ±3dB | 4Ω | 20Hz | - | 20kHz |
| THD | 4Ω, 1W, 1kHz | - | 0.032% | - |
| 4Ω, 10W, 1kHz | - | 0.022% | - | |
| Output noise level | A-Weighting, input connected to GND | - | 256µV | - |
| SNR | 111W, 4Ω, THD+N 1% | - | 87dB | - |
| General | |
|---|---|
| Supply voltage | 15-36V |
| Dimensions | 121.92 x 91.44mm |
| Weight | 416g |
| Input | Speaker terminals |
| Output | Speaker terminal |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | TDA7498E |
| Power (W) | 110.0 |
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