Fosi Audio BT20A PRO 300WX2 TPA3255 Bluetooth 2 Channel Class D

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Fosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble Control

Product Description

Features

• TI TPA3255 Power & Fidelity: 300Wx2 max output @4Ω, powered by Texas Instruments TPA3255 chip. Delivers ultra-low distortion (THD≤0.005%) and high SNR (≥101dB) with advanced feedback design, plus idle losses under 2.5W for energy efficiency.
• Swappable Op-Amps: 2x TI NE5532 op-amps, compatible with MUSES02/OPA2604/OPA2134PA etc.—tailor sound for Hi-Fi enthusiasts.
• Stable Bluetooth 5.0: 50ft range, SBC/AAC support, auto-reconnect memory, and one-touch pairing reset (hold volume knob 5s) with audible alerts.
• Flexible Control & Connectivity: Bass/treble knobs with center detent (flat response option). Dual inputs (Bluetooth + RCA) and outputs (passive speakers + 3.5mm pre-out for subwoofers).
• Premium Build: Japanese Sumida inductors, Omron relays, soft-start resistor, and true zero-standby power-off. 5x5x1 inch mini size, available in Gunmetal Gray/Deep Space Blue.

Refurbished Quality Assurance This unit meets eBay’s Certified Refurbished standards: professionally inspected, repaired, and tested to match new performance. Cosmetically "like new" (minimal to no wear) with thorough sanitization. All genuine components (TPA3255 chip, NE5532 op-amps) are verified functional. Backed by eBay’s 1-Year Warranty and 30-day money-back guarantee with free return shipping—risk-free for US buyers. Scene & Atmosphere More than an amplifier, it’s a cornerstone of refined soundscapes that align with your identity. In the living room, pair with passive speakers and a subwoofer for cinematic home theater—dynamic, low-distortion sound turns movie nights into immersive experiences. For music lovers, it reveals subtle details in live recordings or classical pieces, turning casual listens into passionate moments. On your desktop, its compact size adds HiFi elegance, with swappable op-amps to match work or creative rhythms. Choosing a certified refurbished unit reflects your discerning taste: quality performance meets sustainable choices, elevating daily moments with premium sound. Technical Specifications Package Includes

• 1 x Refurbished BT20A Pro Amplifier
• 1 x Bluetooth Antenna
• 1 x 32V/5A Power Adapter (US plug)
• 1 x AC Power Cord
• 1 x English User Manual

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On Mar 4, 2026 at 00:21:11 PST, seller added the following information: