Reference: AA-AB32174
Brand: Wondom - Sure Electronics
AA-AB32174 - 2x50W@4ohm Class D Amplifier - TDA7492
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Class D 2x100W Bluetooth 4.0 APT-X amplifier |
This is a 2x100W audio amplifier card with a new Bluetooth module that supports APT-X. It is TDA7498 high performance integrated which supports dual channel audio amplification. Both channels are able to output nominal power simultaneously and continuously. This card can be powered by any DC14V-39V power supply *.
It has an intelligent cooling system, the fan does not work in the normal case to reduce noise. Start only when the chip temperature> 65 ° C.
It is perfect for your Hi-Fi application, the audio source can be RCA or Bluetooth input. Compatible with all Bluetooth devices that support multimedia audio, including iPhone, Android. Leave your smartphone paired with this card, play music. So easy!
Adjustable gain via DIP-Switch as shown in the table.
Parameters | Test Conditions | Value |
Supply Voltages | - | 14-40 V |
Quiescent current |
FAN ON, STBY Disable FAN ON, STBY Enable FAN OFF, STBY Disable FAN OFF, STBY Enable |
90 mA 50 mA 40 mA 10 mA |
Efficiency | Both channels emit nominal power. | >90 % |
Input sensitivity |
25.6dB 31.6dB 35.1dB 37.6dB |
1356 mV 696 mV 460 mV 341 mV |
Input impedance | - | 48-60 KΩ |
Gain |
GAIN0 = L, GAIN1 = L GAIN0 = L, GAIN1 = H GAIN0 = H, GAIN1 = L GAIN0 = H, GAIN1 = H |
24.6-26.6 dB 30.6-32.6 dB 34.1-36.1 dB 36.6-38.6 dB |
Minimum load impedance | - | 6 Ω |
Output power |
THD = 10% |
100 W |
Bandwidth |
± 3dB | 20-20K Hz |
Operating temperature |
20-50 °C |
Parameters | Specifications |
Chip | TPA3116D2 |
dimensions | 12 x 8 cm. |
Power | 2 x 100W |
Amplifier class | D |
Volume control | Opzional |
Short-circuit protection | Yes |
Overtemperature protection | Yes |
Bluetooth | 4.0 |
APT-X | Yes |
The card Bluetooth is programmable, just download the programming software and carefully follow the different guides, as needed, as listed below.
The same Bluetooth amplifier therefore allows programming of:
• Connection name change | ||
• Connection password entry | ||
• Automatic disconnection configuration | ||
• MONO output configuration | ||
• Tone management | ||
• DSP configuration (APT-X only) |
How to change the name to Bluetooth
Connection / Disc. Auto Bluetooth APT-X
Mono configuration of Bluetooth
Download CSRA64xxx & CSRA63xxx Tools
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