ARRAROWN S-288 Stereo Audio Amplifier 4.0CH 40Wx4

The ARRAROWN S-288 is a compact 4.0-channel HiFi stereo amplifier that powers four passive speakers with Bluetooth 5.0, USB/SD, FM and microphone inputs for versatile home audio use.

The S-288 combines a small footprint with multi-input flexibility and adjustable tone controls, delivering room-filling sound from a unit that measures just 7.1 x 4.1 x 1.7 inches. Designed for listeners who want straightforward connectivity—Bluetooth pairing, RCA/AUX, USB playback and microphone support—the S-288 balances convenience and power for living rooms, small home theaters or casual karaoke sessions.

How much power does the S-288 provide and what speakers does it support?

The amplifier is rated at 40W per channel for four channels, suitable for driving four passive speakers simultaneously (4–8 Ω). It also has higher short-term peak capability to handle transient dynamics.

• Rated output: 40W x 4 channels (RMS)
• Peak output available for dynamic music passages
• Compatible with 4–8 ohm passive speakers
• Supports up to four speakers in multi-room or surround-lite setups

What input options and wireless features are available?

The S-288 offers wired and wireless inputs for flexible source connection. Bluetooth 5.0 provides a stable wireless link for phones and tablets, while RCA, AUX and USB/SD let you attach TVs, PCs or thumb drives for direct playback.

• Bluetooth 5.0 for low-latency wireless streaming within ~5m (16.4 ft)
• RCA and 3.5mm AUX connectors for TVs, computers and legacy devices
• USB/SD slot for direct MP3/WAV file playback from drives or cards
• Built-in FM tuner with automatic station scan and presets

Can I adjust tone and use this amplifier for karaoke or small events?

The front-panel treble and bass knobs let you fine-tune the tonal balance, while a dedicated microphone input supports casual vocal use. An onboard EQ selector offers preset effects when playing MP3 files to match different listening scenarios.

• Separate bass and treble controls for precise tonal shaping
• Microphone jack for karaoke or announcements
• 6 preset EQ modes accessible during USB/SD playback
• Low distortion design for clearer vocals and instruments

How portable and easy to install is the amplifier?

The S-288’s compact dimensions and lightweight design make it simple to place on a shelf or move between rooms. Setup requires basic speaker wiring and connecting your preferred source—no professional installation is needed.

• Dimensions: 7.1 x 4.1 x 1.7 inches — fits small shelves
• Plug-and-play connections for fast setup
• Power adapter included for immediate use
• Easy-to-read controls; volume knob powers unit on when turned

Who this is for: The ARRAROWN S-288 is ideal for users who need an affordable, space-saving amplifier that supports multiple inputs and four speakers. Choose this model if you want straightforward Bluetooth streaming, USB playback, FM radio and microphone capability in one compact HiFi unit — perfect for small living rooms, bedrooms, hobby studios and casual karaoke nights.