Blackstar FLY 3 Mini Amp BK vs Boss Katana Mini
Detailed comparison to help you choose the right Solid-State Guitar Combos for your music.
Last updated: May 13, 2026 • Next update: May 20, 2026
Blackstar FLY 3 Mini Amp BK
The Blackstar FLY 3 is a brilliant little practice amp – seriously impressive for the size. It's perfect for bedroom practice, recording quiet parts, or just jamming casually. The ISF control helps dial in a range of sounds, from British crunch to American sparkle, making it surprisingly versatile for a mini amp.
$83
Boss Katana Mini
The Katana Mini is a clever little practice amp – incredibly portable and surprisingly versatile for its size. It's perfect for bedroom practice, quiet recording, or a grab-and-go option for lessons. Don’t expect stage-filling volume, but the amp models and analog EQ deliver a lot of bang for your buck.
$120
Detailed Comparison
| Feature | Blackstar FLY 3 Mini Amp BK | Boss Katana Mini |
|---|---|---|
| Brand | Blackstar | Boss |
| Model | FLY 3 Mini Amp BK | Katana Mini |
| Price | $82 | $119 |
| Expert Rating | ⭐ 4.7/5 | ⭐ 4.4/5 |
| Power (Watts) | 3 | 7 |
| Speaker | 3in | 1x4 in |
| Channels | 2 | 3 |
| Effects | Built-in Delay | Delay |
| EQ | ISF (Blackstar Infinite Shape Feature) | 3-band analogue |
| Weight | 1 kg | 1.2 kg |
| Pros | + Surprisingly full tone for its size, thanks to the ISF control. | + Surprisingly full tone for its size, thanks to Boss’s modeling tech |
| Pros | + Battery-powered operation offers incredible portability and convenience. | + Excellent portability – truly a practice amp you can take anywhere |
| Pros | + Built-in delay adds a touch of ambience for subtle texture. | + Simple controls make dialing in usable sounds incredibly fast and easy |
| Pros | + The 3in speaker handles surprisingly clean tones at moderate volumes. | + The analog EQ section provides a surprisingly responsive and musical shaping |
| Cons | - Limited wattage makes it unsuitable for gigging or loud rehearsals. | - 4-inch speaker limits low-end extension and overall volume |
| Cons | - The single EQ control can feel restrictive for serious tone shaping. | - Single channel design restricts tonal flexibility beyond the three amp models |
| Cons | - Speaker size limits low-end response; lacks deep bass frequencies. | - Battery operation is a stopgap – AC power is highly recommended for consistent use |
| Category | Solid-State Guitar Combos | Solid-State Guitar Combos |
| Article Number | 350399 | 416908 |
| Check Price | Check Price |
