Joyo AC-20S 20-Watt Portable Acoustic Guitar Amplifier

The Joyo AC-20S is a compact, powerful amplifier designed for acoustic and electric guitars. With two 4" speakers, three onboard DSP effects (chorus, delay, reverb), and both guitar and microphone inputs, it’s built to perform anywhere.

Key Features

• 20W stereo output (10W + 10W) via two 4″ speakers
• 3 DSP effects (chorus, delay, and reverb) usable simultaneously
• Bluetooth input for backing tracks or streaming
• USB-C port for live streaming or recording
• Rechargeable 11.1 V lithium battery (up to ~6 hours) or AC power
• Independent microphone channel with dedicated reverb control

Specifications

• Power: 20W total (10W per speaker)
• Speakers: 2 × 4″ drivers, 4 Ω
• Guitar Input Sensitivity: –16 dBV
• Microphone Input Sensitivity: –33 dBV
• AUX Input: 3.5 mm stereo jack
• Battery: 11.1 V / 2.2 Ah lithium – approx. 6 hours use
• Power Supply: DC 15 V / 4 A adapter
• Dimensions: 316 mm × 235 mm × 190 mm
• Weight: 5.4 kg

Whether you’re busking, rehearsing or streaming, the AC-20S delivers portable power, tone, and connectivity in a rugged, road-ready package.