Fosi Audio BL20C: Small, efficient and affordable Class D amplifier

The Fosi Audio BL20C is a small, efficient and affordable Class D amplifier based on the TDA7498E chip, capable of delivering 2x150W of power into a 4Ω load. In addition to a stereo RCA input, the...

Fosi Audio BL20C
Fosi Audio BL20C

The Fosi Audio BL20C is a small, efficient and affordable Class D amplifier based on the TDA7498E chip, capable of delivering 2x150W of power into a 4Ω load.

Fosi Audio BL20C

In addition to a stereo RCA input, the BL20C features a USB-A Host for connecting a storage device such as a USB flash drive, as well as Bluetooth 5.0 reception, allowing you to stream music and control playback wirelessly, such as via a smartphone or tablet. On the output side, in addition to speaker terminals, the amplifier offers a subwoofer output for 2.1 audio system integration. Additionally, the BL20C offers a front-panel tone control with the ability to adjust bass and treble levels.

Fosi Audio BL20C

Fosi Audio BL20C Specifications:

  • Product Type: Amplifier
  • Amplification Type: Class D
  • Amplification chip: TDA7498E
  • Number of channels: 2.1
  • Inputs: Bluetooth 5.0/ 1x stereo RCA/ 1x USB-A Host
  • Outputs: Speaker terminals/ 1x subwoofer output (RCA)
  • Output Power: 2x120W @ 4 ohms (@35V / 1%THD) / 2x150W @ 4 ohms (@35V / 10% THD) / / 2x105W @ 4 ohms (@32V / 1%THD) / 2×135 W @ 4 Ohm (@32 V / 10% THD)
  • SNR: ≥ 98 dB
  • THD: ≤ 0.05%
  • Frequency response: 20Hz-20kHz (±3dB)
  • Supply voltage: 19 – 35 VDC
  • Black color

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