Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier for Home and Outdoor Speakers

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The upgraded version of Fosi Audio BT20A, the Fosi Audio BT20A Pro, is a 600W TPA3255 Bluetooth 2.0 CH Amplifier with the following features:

Input: Bluetooth + RCA; Output: Passive Speakers + Pre-out Amp chip: TPA3255; MAX Output Power: 300Wx2@4Ω THD: ≤ 0.005%; SNR: ≥108dB; Frequency Response Range: 20Hz-20kHz(±1.2dB) Bluetooth Distance: ≥15m; Bluetooth Transmission Format: SBC/AAC

Key Highlights: 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.

The Texas Instrument TPA3255 Chip has a unique smart algorithm that optimizes the output stage for maximum efficiency and minimum distortion. Additionally, the two plug-in NE5532 Op-Amps can be replaced by LME49720HA/MUSES02/OPA2134PA Op-Amps, etc., to achieve a distinct and exceptional sound quality.

The BT20A Pro home audio amplifier offers high precision and stability inductance values with low DC resistance and excellent frequency characteristics, which improve performance.

Comparison with other Fosi Audio Amplifiers: - BT20A Pro: 300W x 2, Bluetooth + RCA, Passive SPK + Pre-out, THD ≤ 0.005%, SNR ≥108dB - BT20A: 30W4+60W1, BT + 3.5mm AUX + OPT, Pre-Out+SPK Out, THD ≤ 0.03%, SNR ≥88dB - 2.0 CH Amp: 300W x 2, RCA, Passive SPK + Pre-out, THD < 0.003%, SNR ≥110dB - Headphone Amp+Preamp: -, Bluetooth + RCA, RCA+Headphone+AUX, THD ≤ 0.02%, SNR ≥103dB

To fix any issues you may have, please follow the troubleshooting tips provided for Bluetooth connectivity and sound-related problems.

product information: