Description
Lirevo B40 Professional Bass Combo
A powerful 40-watt bass guitar amplifier delivering thunderous low-end, exceptional clarity, and professional tone shaping — built for rehearsals, small gigs, and serious bass performance.
Clean, thunderous low-end with ultra-low distortion (0.1% THD) for rehearsals and small live performances.
Larger 10-inch 8Ω speaker delivers deeper bass, stronger projection, and improved articulation.
Gain control for warmth and grit, plus adjustable mid frequency and level for surgical tone shaping.
Dedicated input options ensure optimal performance with both passive and active bass guitars.
Send/Return loop allows seamless integration of pedals and external effects processors.
Blend backing tracks precisely and practice silently with the headphone output.
Technical Specifications
Power Output: 40W RMS @ 0.1% THD into 8Ω
Speaker: 1 × 10″ 8Ω
Controls: Gain, Bass, Parametric Mid (Frequency & Level), Treble, Master Volume, Aux In Level
Inputs: Passive/Active Instrument Input, AUX In
Outputs: Headphones
Effects Loop: Send/Return
Dimensions: 365 × 330 × 450 mm
Weight: 12.8 kg
Frequently Asked Questions
Is the Lirevo B40 suitable for live gigs?
Yes. The 40W power and 10″ speaker make it ideal for rehearsals and small stage performances.
What is the difference between passive and active inputs?
Passive input suits traditional basses, while active input is optimized for basses with onboard preamps.
Can I use external pedals?
Yes. The Send/Return effects loop allows integration of external effects pedals.
Does it support silent practice?
Yes. The headphone output allows private practice sessions.
How does the parametric mid EQ help?
It allows you to target specific mid frequencies and adjust their level for precise tone control.
Can I play along with backing tracks?
Yes. The AUX input with dedicated level control allows seamless mixing of backing tracks.
Is it portable?
Yes. Despite its power and 10″ speaker, it remains transport-friendly at 12.8 kg.
Is it suitable for experienced bassists?
Absolutely. The B40 offers professional-grade EQ flexibility and gig-ready power.





