Description
 
SURE KAB9 8x50W Audio Power Amplifier Board 8-Channel 7.1/5.1/4.2/4.0 USB CODEC Input Amplifier

Specification:
Electric Parameter:

- Number of channels: 8
- Minimum load impedance: 3-4ohm
- Efficiency: 87% for 50W at 4ohm
- Nominal power requirement: 400W at 24V 1KHz
- Power supply voltage: 12 - 30V (Typ. 24V) at 1KHz 40ohm
- Switching frequency: 400kHz for SD floating at 24V
- Power consumption:
  1/4 of max output power at 4ohm, 24V, 1KHz: 118W
  1/8 of max output power at 4ohm, 24V, 1KHz: 60W
- Control:
  Shutdown (Low = inputs enabled): high-level input voltage > 3.3V; low-level input voltage < 0.8V
  Mute (High = outputs enabled): high-level output voltage > 3.3V; low-level output voltage < 0.8V
- Standby power consumption: 240mW (SD short to GND, only when low power module available)

Audio Performance:
- Gain:
  SW1: 1-4, OFF: 31dB
  SW1: 1, ON; Others: OFF: 35.8dB
  SW1: 2, ON; Others: OFF: 33.3dB
  SW1: 3, ON; Others: OFF: 29.8dB
  SW1: 4, ON; Others: OFF: 23.8dB
- Input sensitivity (RMS): 460mV for 50W at 4ohm, 1kHz 26dB
- SNR: 91dB for 50W at 4ohm, THD+N=1%, 26dB
- THD+N:
  5W at 4ohm, 1kHz, 24dB /CH: 0.03%
  10W at 4ohm, 1kHz, 24dB /CH: 0.04%
- Input impedance: 10kohm
- Output noise: 340uV at 26dB
- DC offset: 10mV

Package Included:
- 1 x Power Amplifier Board

 

Payment Terms
 
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Shipping Terms
 
1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email.
2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
Return Terms
 
If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund.
Custom Duties & Taxes
 
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2. Please check with your country's customs office and inform us what/how much should declare before shipping.
Feedback
 
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2. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.


On Oct 24, 2023 at 20:18:21 PDT, seller added the following information:

DataCaciques