Facmogu BT-398A Stereo Digital Audio Amplifier 2.0 Channel

The Facmogu BT-398A is a compact 2.0-channel stereo digital amplifier that delivers up to 450W peak power with Bluetooth 5.0, multiple inputs (USB/SD/AUX/Fiber/RCA/MIC), and adjustable bass/treble for home and garage audio setups.

Designed for small to medium rooms, the BT-398A combines digital and analog connectivity to let you play music from phones, computers, USB/SD cards, FM radio or wired sources. It pairs with passive speakers rated 4–16 Ω and includes rotary controls plus a remote for quick changes. The unit’s fiber and coaxial digital inputs improve signal transfer quality while the microphone input and echo control broaden use for announcements or casual karaoke.

How powerful is the Facmogu BT-398A for typical home and garage speakers?

The amplifier provides 60W RMS per channel (60Wx2 rated) with a peak capability of 450W x2, giving ample headroom for louder listening without immediate distortion when matched to appropriate speakers. It supports passive speakers with impedances between 4 Ω and 16 Ω, so rely on speaker sensitivity and room size to determine final volume and clarity.

• Rated output: 60W × 2 RMS for stable continuous listening
• Peak output spec: 450W × 2 for transient dynamics
• Speaker compatibility: 4–16 Ω passive speakers
• Use cases: living rooms, garages, home theater fronts, office audio

What connections and playback options are available?

The BT-398A supports a broad set of inputs to accommodate digital and analog sources. Connect wirelessly over Bluetooth 5.0, plug into RCA or AUX, use the USB or SD/TF card slots for file playback, tune FM radio, or feed a microphone for announcements and voice applications.

• Wireless: Bluetooth 5.0 for stable pairing and improved range
• Digital inputs: optical (fiber) and coaxial (copper) for cleaner signals
• Physical media: USB port and SD/TF card slot for MP3 playback
• Analog: AUX/RCA input and a dedicated MIC input with echo control

How customizable is the sound and what controls are provided?

Sound shaping is straightforward: separate rotary knobs adjust master volume, bass, treble and microphone level, and the front-panel buttons provide easy mode switching and track control. An included remote control handles basic functions from across the room, while the echo feature allows mild vocal effects for microphone use.

• Rotary knobs: master volume, bass, treble, and mic level
• Front-panel buttons: mode selection, track navigation, and power
• Remote control: full basic control (remove plastic tab before use)
• Echo control: adjustable for microphone vocal effects

How stable is Bluetooth and what are recommended distances for use?

Equipped with Bluetooth 5.0, the amplifier offers improved stability and fewer dropouts than older Bluetooth versions. For best performance keep wireless source devices within about 5 meters (16.4 ft) line-of-sight; computer connections may perform better within roughly 2 meters (6.5 ft).

• Bluetooth version: 5.0 for improved range and stability
• Recommended distance: up to 5 m (16.4 ft) without obstructions
• For PCs: prefer within 2 m (6.5 ft) for peak reliability
• Use wired digital inputs for the lowest signal latency

Who is this for: The Facmogu BT-398A is suited for anyone wanting a feature-rich yet compact amplifier to power passive speakers in homes, garages, small studios, offices or casual event spaces. It’s a good fit if you need multiple playback methods (Bluetooth, USB/SD, FM, optical/coax) and simple tone shaping without a large AV receiver. Choose this unit when you want a flexible, budget-conscious amplifier with microphone capability and remote control for straightforward everyday listening and small-scale installations.