Amplifier modules
WONDOM AA-AB41136 aptX Bluetooth 4.0 Audio Receiver Board Wireless Stereo DIY
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This product integrated with TDA7492, currently popular all over the world, not only provides dream sound but also has high efficiency, so it can dissipate the heat after a long time working to ensure that the amplifier can work in stable condition for a long time .
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This product integrated with TDA7492, currently popular all over the world, not only provides dream sound but also has high efficiency, so it can dissipate the heat after a long time working to ensure that the amplifier can work in stable condition for a long time .
In addition to the traditional RCA input jacks, a stereo jack is provided to make it much easier to use with your second device, such as cell phones or portable players. A high quality headphone amplifier is also provided on the front panel.
AA-AS32171 integrates a high quality rotary encoder employing a high performance audio processor processor that ensures precise shaft rotation and accurate volume adjustment. AA-AS32171 supports dual channel amplification and each channel is rated at 50W. With built-in MCU, this product can provide input / output auto-overwrite, over / under voltage protection, low current protection and LED display status.
This product can be powered by any DC power supply between 9 and 24V. You can use it to drive 4 or 8Ω passive speakers.
| Parametri | Valori Min. | Valori Medi. | Valori Max. |
| Tensione di alimentazione (V) | 9 | 19 | 24 |
| Corrente di riposo (mA) | - | 40 | - |
| Input Sensitivity (mV) | - | 3500 | - |
| Impedenza di ingresso (Kohm) | - | 60 | - |
| Guadagno (dB) | 20.6 | 21.6 | 22.6 |
| Potenza in uscita (W rms) | - | 40 W, THD + N <1% | - |
| (VCC = 24V, RL = 6Ω) | - | 50 W, THD + N <10% | - |
| Efficienza (%) | - | > 80% @ 2 x 40 W | - |
| Carico minimo (ohm) | 4 | 6 | - |
| Risposta in frequenza (dB) | 20 | - | 22k |
| Temperatura di esercizio (℃) | 0 | 25 | 55 |
| Parametri | Specifiche |
| Alimentazione | DC 9V a 24V |
| Spegnere | Sovratensione / Sottotensione |
| Protezione | Sovracorrente |
| Protezione | Sovratemperatura |
| Dimensioni | 6.4" x 2.9" x 1.9" |
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