The Fosi Audio BT20A PRO is a compact and powerful Class D amplifier offered at a very reasonable price.
In terms of connections, the BT20A PRO is simple and effective, featuring a stereo RCA or Bluetooth 5.0 input, an output with clad speaker terminals, and a 3.5mm jack pre-out.
The BT20A PRO’s front panel features a tone control that lets you adjust the bass and treble levels to tailor the unit’s performance to your audio system and preferences. In addition, the function of deleting bluetooth pairing history is now available by holding the volume button for a long time.
The amplifier stage uses a high-end TI TPA3255 amplification IC, capable of delivering 225W of power into a 4Ω load per channel. This ensures clear and detailed sound reproduction.
Characteristics of Fosi Audio BT20A PRO:
- Product Type: Stereo Amplifier
- Amplification Type: Class D
- Input: 1x RCA stereo/ Bluetooth 5.0
- Output: Speaker terminal / Pre-out jack 3.5mm
- Amplifier chip: TI TPA3255
- Output Power: 2x 225 W / 4 ohm @ 48 V (1% THD) / 2x 300 W / 4 ohm @ 48 V (10% THD) / / 2x 110 W / 4 ohm @ 32 V (1% THD) / 2x 135 W / 4 Ohm @ 32 V (10% THD)
- Accepted impedances: 2-8Ω
- Frequency response: 20Hz-20kHz (±1.2dB)
- THD: 0.005%
- SNR: ≥ 108 dB
- Bluetooth codecs: ACC/ SBC
- Tone Control: Bass/Treble with Mid Point
- Supply voltage: 24V-48V DC (AC adapter included)
- Dimensions: 166x105x35 mm
- Net weight: 547g
- Color: wet asphalt
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