Fosi Audio BT20A Pro at Madly Audio Canada

Fosi Audio BT20A Pro Bluetooth Amplifier

$189.99
Sale price  $189.99 Regular price 
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Fosi Audio BT20A Pro at Madly Audio Canada
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Fosi Audio BT20A Pro Bluetooth Amplifier

$189.99
Sale price  $189.99 Regular price 
Description

The BT20A Pro is a high‑efficiency 2.0‑channel power amplifier designed for listeners who want strong output, flexible tuning, and modern wireless convenience. Built around TI’s TPA3255 chipset, it delivers up to 300 watts per channel with low distortion and a wide frequency range. With replaceable op‑amps, midpoint bass and treble controls, Bluetooth connectivity, and both speaker and pre‑out options, it offers a customizable and practical way to elevate a home audio setup. The BT20A Pro is a compact, versatile amplifier that balances power, clarity, and user‑driven sound shaping.

Features

High‑Power Output — TI’s TPA3255 chipset delivers up to 300W × 2 at 4Ω with low idle losses and high efficiency.

Low‑Distortion Performance — THD ≤ 0.005% and SNR ≥ 108 dB support clean, controlled playback.

Op‑Amp Rolling — Two NE5532 op‑amps can be swapped for SS3602, MUSES02, OPA2134PA, OPA2604AP, and others to tailor the sound signature.

Bass & Treble Control — Wide‑range tone controls with midpoint positioning for neutral playback when desired.

Bluetooth Connectivity — Bluetooth 5.0 with SBC/AAC support, pairing memory, and a simple reset function via the volume knob.

Flexible Input & Output Options — Supports Bluetooth and RCA inputs, passive speaker output, and pre‑out for system expansion.

Replaceable Knobs — Includes interchangeable orange and grey knobs for a customizable look.

User‑Friendly Controls — Straightforward operation with clear feedback tones and intuitive adjustments.

Specifications

Channels: 2.0
Amplifier Chip: TPA3255
Max Output Power: 300W × 2 @ 4Ω
Terminating Impedance: 2–8Ω
Input Modes: Bluetooth + RCA
Output Modes: Passive Speakers + Pre‑out
Frequency Range: 20 Hz–20 kHz (±1.2 dB)
THD: ≤ 0.005%
SNR: ≥ 108 dB
Bluetooth Version: 5.0
Bluetooth Transmission Distance: Up to 50 ft
Supported Codecs: SBC, AAC
Device Dimensions: 5 × 5 × 1 inches
DC Input Range: 24–48 V
Power Supply: 32V 5A or 48V 5A

Included Accessories:

  • BT20A Pro Power Amplifier
  • 32V/5A or 48V/5A Power Adapter
  • Bluetooth Antenna
  • User Manual

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