Product Description

The upgraded version of Fosi Audio BT20A

Fosi Audio BT20A Pro 600W TPA3255 Bluetooth 2.0 CH Amplifier

  • Input: Bluetooth + RCA; Output: Passive Speakers + Pre-out
  • Amp chip: TPA3255; MAX Output Power: 300Wx2@4Ω
  • THD: ≤ 0.03%; SNR: ≥108dB; Frequency Response rRange: 20Hz-20kHz(±1.2dB)
  • Bluetooth Distance: ≥15m; Bluetooth Transmission Format: SBC/AAC

  1. Bluetooth 5.0 Connectivity

    Allowing you to connect your devices such as mobile phones and tablets from a greater distance.

  2. Unique Design for Sound Control

    Experience the authentic sound without any added effects by adjusting them to their middle points.

  3. Full-range Pre-Out Output

    Easily connect to a powered subwoofer, speaker, or another amplifier for versatile audio options.

1 Bluetooth 5.0 2 Treble/Bass Control 3 PRE-OUT
1 Front Panel 2 Back Panel 3 Power Variability

  1. Texas Instrument TPA3255 Chip

    Has a unique smart algorithm that optimizes the output stage for max efficiency and min distortion.

  2. Upgrade Audio Performance

    Achieve a Distinct and Exceptional Sound Quality

    The two plug-in NE5532 Op-Amps can be replaced by LME49720HA/MUSES02/OPA2134PA Op-Amps, etc.

  3. High Precision and Stability Inductance Values

    Low DC resistance and excellent frequency characteristics which improve performance

1 TPA3255 CHIP 2 Replaceable OP CHIP 3 High Power Inductors

Energy-efficient

The 2-channel amplifier uses a low standby power feature that reduces the power consumption when the amplifier is not in use, contributing to energy savings.

Stunning Bluetooth Design

Clear the Bluetooth pairing by holding the volume control for five seconds. Benefit from easy pairing with the memory function and an alert tone.

Comparison

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Customer Reviews
4.6 out of 5 stars
1,062
4.4 out of 5 stars
2,365
4.5 out of 5 stars
3,274
4.5 out of 5 stars
748
—
4.5 out of 5 stars
1,159
4.5 out of 5 stars
8,327
Price
$109.97$109.97 $109.98$109.98 $59.99$59.99 $99.98$99.98 — $119.99$119.99 $78.99$78.99
Type
Bluetooth 2.0 CH Amp Bluetooth 2.1 CH Amp Bluetooth 2.0 CH Amp Bluetooth 2.1 CH Amp Bluetooth DAC 2.1 CH Amp Bluetooth Tube 2.0 CH Amp Bluetooth 2.0 CH Amp
MAX Power Output
300W x 2 50W x 2+100W 50W x 2 160W x 2 120W x 2 50W x 2 100W x 2
Input
Bluetooth + RCA Bluetooth + RCA Bluetooth + 3.5mm AUX Bluetooth + RCA + U-disk Bluetooth 5.0 + RCA + PC-USB Bluetooth + RCA Bluetooth + RCA
Output
Passive Speakers + Pre-out Passive Speakers+Act/Pas Sub Passive Speakers Passive Speakers + Active Sub Passive Speakers + Active Sub Passive Speakers + Headphone Passive Speakers
Treble & Bass Control
✔ ✔ ✔ ✔ ✔ ✔ ✔
THD
≤ 0.03% ≤ 0.04% ≤ 0.04% ≤ 0.05% ≤ 0.1% ≤ 0.04% ≤ 0.04%
SNR
≥ 108dB ≥ 98dB ≥ 98dB ≥ 98dB ≥ 110dB ≥ 98dB ≥ 98dB
Terminating Impedance
2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm
Power Adapter
32V/5A 24V/4.5A 19V/4.74A 24V/4.5A 32V/5A 24V/4.5A 24V/4.5A
Work Voltage
AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V AC 110V - 240V