Fender Acoustasonic 40 vs Fishman Loudbox Micro
Detailed comparison to help you choose the right Acoustic Guitar Amps for your music.
Last updated: April 22, 2026 • Next update: April 29, 2026
Fender Acoustasonic 40
⭐
4.5/5
Expert Rating
Sound:
9/10
Build:
7/10
Value:
7/10
The Acoustasonic 40 is a solid, affordable practice amp and small gig solution for acoustic guitarists and vocalists. Its clean sound and flexible EQ are a real boon, and the portability is a major plus. It’s a great choice for solo performers or duos who want a reliable and easy-to-transport amp.
$318
Fishman Loudbox Micro
⭐
4.9/5
Expert Rating
Sound:
9/10
Build:
9/10
Value:
8/10
The Loudbox Micro is a seriously handy little amp – perfect for singer-songwriters or acoustic duos needing a portable, self-contained solution. It delivers surprisingly good clean tones and Fishman's reverb is a real highlight. It's a great grab-and-go option when you don't need a full-blown PA.
$274
Detailed Comparison
| Feature | Fender Acoustasonic 40 | Fishman Loudbox Micro |
|---|---|---|
| Brand | Fender | Fishman |
| Model | Acoustasonic 40 | Loudbox Micro |
| Price | $317 | $273 |
| Expert Rating | ⭐ 4.5/5 | ⭐ 4.9/5 |
| Power (Watts) | 40 | 40 |
| Channels | 2 | 2 |
| Speaker | 2x 6.5 in Special Design Full-Range with Whizzer Cones | 1 x 5.25in poly cone speaker & 1 x 0.8in soft dome tweeter |
| Effects | Reverb | Reverb & Chorus |
| Feedback Control | No | Phase switch helps mitigate feedback |
| Weight | 7.5 kg | 4.1 kg |
| Pros | + Excellent clarity and warmth thanks to the Whizzer cone speakers. | + Excellent clean headroom for an amp this size. |
| Pros | + Compact size makes it highly portable for gigging musicians. | + Fishman's reverb is genuinely musical and usable. |
| Pros | + Versatile EQ controls offer shaping for diverse acoustic instruments. | + Compact and lightweight for easy gigging and travel. |
| Pros | + XLR input with phantom power expands mic options for vocalists. | + Dedicated mic channel expands versatility for vocal performances. |
| Cons | - Limited power output may struggle with louder band settings. | - Poly cone speaker lacks the warmth of a dedicated woofer. |
| Cons | - Speaker size restricts low-end extension compared to larger amps. | - Limited EQ control; mid-range can be a little harsh. |
| Cons | - No built-in effects beyond reverb; requires external pedals for variety. | - DI output lacks full tonal control of the amp’s EQ. |
| Category | Acoustic Guitar Amps | Acoustic Guitar Amps |
| Article Number | 405615 | 577635 |
| Check Price | Check Price |
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Frequently Asked Questions
It’s a step below the higher-end models, but delivers a clean, balanced tone. The Whizzer cones give it a unique character, slightly more open than some traditional designs.
The reverb is a basic, spring-style simulation; it’s fine for adding a touch of ambience, but don’t expect studio-quality lushness for live use.
Yes, the XLR input provides phantom power for condenser microphones, making it suitable for vocal amplification. Just be mindful of the amp’s power limitations.
It's decent for basic vocal needs, but lacks the headroom and pristine clarity of their flagship preamps – expect a bit more noise floor.
It's a fairly gentle chorus, leaning towards a shimmer rather than a thick, swirling effect – suitable for adding a touch of ambience without overpowering the natural tone.
While the DI output is convenient, it's a straight signal pass – you won't have access to the amp's EQ settings, so it's best for live use rather than critical recording applications.
