Description
Lirevo B20 Professional Bass Combo
A powerful 20-watt bass guitar amplifier with expanded headroom, parametric mid control, and an 8″ speaker — built for serious practice, rehearsals, and tight low-end performance.
Stronger output and cleaner projection than entry-level amps — ideal for small rehearsals and focused bass sessions.
Dedicated Gain knob lets you push the input stage for subtle warmth or aggressive edge when needed.
Adjustable Frequency and Level controls allow you to sculpt the midrange exactly — boost for presence or scoop for modern clarity.
Larger 8-inch 8Ω speaker delivers deeper lows, tighter punch and improved articulation.
Dedicated Bass, Treble and Master Volume knobs make dialing tones effortless.
Jam with backing tracks via AUX input and practice silently with the headphone output.
Technical Specifications
Power Output: 20W RMS @ 0.1% THD into 8Ω
Speaker: 1 × 8″ 8Ω
Controls: Gain, Bass, Parametric Mid (Frequency & Level), Treble, Master Volume
Inputs: Instrument Jack, 3.5mm AUX In
Outputs: 3.5mm Headphones Out
Dimensions: 300 × 260 × 375 mm
Weight: 8.5 kg
Frequently Asked Questions
Is the Lirevo B20 suitable for rehearsals?
Yes. With 20W power and an 8″ speaker, it provides enough headroom for small rehearsal sessions.
What does the Gain control do?
The Gain knob adjusts input drive, allowing cleaner tones or slightly overdriven bass sounds.
How is the B20 different from smaller bass amps?
It offers more power, a larger speaker, added gain control, and enhanced tonal shaping flexibility.
What is parametric mid EQ?
It allows you to select the mid frequency and adjust its level for precise tone sculpting.
Can I practice silently?
Yes. The headphone output supports silent practice sessions.
Can I use backing tracks?
Yes. The AUX input allows connection to phones and music players.
Is this amp portable?
Yes. Despite its power, the 8.5 kg build remains manageable and compact.
Is it suitable for beginners?
Yes. It is excellent for beginners and also suitable for advancing players seeking better tone control.