Best Guitar Amp for Blues (2026): 4 Picks Compared
Updated Nov 14, 2026 · By 
Jonah Mercer · Ranked from listed specifications · How we rank
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The Demusea 20W amp leads with a 5-inch speaker, gain, treble and bass controls, a headphone jack and a full accessory set. The STRICH 20W amp adds Clean and Overdrive channels for blues, while the Fender Blues Junior IV brings a 15-watt all-tube combo with a 12-inch Celestion speaker and spring reverb. The GLARRY bundle pairs a full-size 39-inch guitar with a 20W amp for beginners.
The picks at a glance
Which one should you buy?
- Players who want a 20W practice amp with a headphone jack: Demusea 20W Electric Guitar Blue Amplifier Guitar See pick 1More picks: Best Guitar Amp for Headphones
- Players who want Clean and Overdrive channels for blues: STRICH 20W Portable Electric Guitar Amp See pick 2
- Beginners who want a guitar, amp and bag in one pack: GLARRY Full Size Electric Guitar for Music See pick 3More picks: Best Guitar Amp for Beginners
- Players who want a 15-watt all-tube amp for blues: Fender Blues Junior IV Guitar Amplifier See pick 4
Want the full range? Best Guitar Amp ranks the top guitar amps for every buyer, or browse all 81 guides.
The 4 picks, ranked
1Best Overall
Demusea 20W Electric Guitar Blue Amplifier Guitar
- Power: 20 W
- Speaker size: 5 in
- Built-in effects / amp models
- Headphone output
- 1-year warranty stated
It earns Best Overall with a 20W amp, a 5-inch speaker, gain, treble and bass controls, a headphone jack and a full accessory set.
Who it suits
- Players who want a 20W practice amp with a headphone jack
- Players who want a 3-meter cable, picks and an adapter in the box
Skip it if
- You want a speaker larger than 5 inches
- You want a guitar and amp bundle in one box
The amp runs 20W through a 5-inch speaker with gain, bass, treble and volume controls, plus a guitar input and an aux in. A headphone jack lets you practice in silence with the 6.5mm to 3.5mm adapter, and the box holds a 3-meter noiseless cable, picks, an aux cable and an earphone. The edges use ABS materials to reduce damage risk, and the amp carries a 1-year warranty.
2Runner-Up
STRICH 20W Portable Electric Guitar Amp
- Power: 20 W
- Speaker size not stated in the listing
- Headphone output
- 1-year warranty stated
It earns Runner-Up with Clean and Overdrive channels for blues, a 20W output, a headphone jack and a 7.1 lb body.
Who it suits
- Players who want Clean and Overdrive channels for blues
- Players who want a 20W amp for bedroom practice
Skip it if
- You want a lighter amp than 7.1 lb
- You want a guitar, bag and strap in one bundle
The amp puts out 20W with Clean and Overdrive channels and a 6.35mm headphone jack for silent late-night practice, plus a 3.5mm AUX input for backing tracks. A guitar cable comes in the box, and the amp weighs 7.1 lb with a carrying handle and corner protectors. It carries a 1-year warranty.
3Also Great
GLARRY Full Size Electric Guitar for Music
- Power: 20 W
- Speaker size not stated in the listing
- Headphone output not stated in the listing
- 1 year warranty stated
It earns Also Great as a 39-inch guitar with a 20W amp, a bag, a strap and picks for beginners.
Who it suits
- Beginners who want a guitar, amp and bag in one pack
- Players who want a 39-inch guitar with a 20W amp
Skip it if
- You want a guitar shorter than 39 inches
- You want an amp over 20W
The pack holds a 39-inch electric guitar with a basswood fretboard and face, plus a 20W amp, a guitar bag, a shoulder strap, 2 plectrums, a tremolo arm, a connecting wire and a spanner tool. The guitar has standard string spacing and a smooth neck, and the pack carries a 1-year warranty.
4Also Great
Fender Blues Junior IV Guitar Amplifier
- Power: 15 W
- Speaker size: 12 in
- Headphone output not stated in the listing
- 2-year warranty stated
It earns Also Great with a 15-watt all-tube combo, a 12-inch Celestion speaker and spring reverb for blues.
Who it suits
- Players who want a 15-watt all-tube amp for blues
- Players who want a 12-inch Celestion speaker and reverb
Skip it if
- You want a lighter amp than 31 lb
- You want a guitar, bag and strap in one bundle
The amp is a 15-watt all-tube combo with a 12-inch Celestion speaker, spring reverb and a 1-button footswitch for a fat Mid boost. The preamp circuit is modified for increased fullness, and the amp weighs 31 lb. It carries a 2-year warranty.
Side by side
| Product | Power | Speaker size | Built-in effects / amp models | Headphone output | Bluetooth | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| Demusea 20W Electric Guitar Blue Amplifier Guitar | 20 W | 5 in | Yes | Yes | Not stated | Not stated | 1-year |
| STRICH 20W Portable Electric Guitar Amp | 20 W | Not stated | Not stated | Yes | Not stated | 7.1 lb | 1-year |
| GLARRY Full Size Electric Guitar for Music | 20 W | Not stated | Not stated | Not stated | Not stated | Not stated | 1 year |
| Fender Blues Junior IV Guitar Amplifier | 15 W | 12 in | Not stated | Not stated | Not stated | 31 lb | 2-year |
How we ranked these guitar amps
Every pick ranks in Amazon's best-seller list for its category and has a listing with real specifications. The order mixes two things: how each model compares on the specs below (higher share of the best value in this group scores more), and how widely it is bought. The spec score runs from 9.0 to 9.8 and only compares these picks with each other. A spec the listing does not state is left out and the other specs are re-weighted; a listing with fewer than 2 stated specs is scored at half. We do not test gear in person. Full method.
- Power weight 3
- Speaker size weight 2
- Built-in effects / amp models weight 2
- Headphone output weight 1
- Bluetooth weight 1
Buying advice: guitar amp for blues
Match watts and speaker to the job
Watts are the amp's power figure, and speaker size shapes how much low end it carries. The Demusea and STRICH amps run 20W, the Fender runs 15W, and the GLARRY pack adds a 20W amp beside a full-size guitar. The Demusea has a 5-inch speaker and the Fender has a 12-inch Celestion speaker, so compare the speaker size with the watts before you buy.
Check channels and controls before you buy
Channels decide how you switch sounds. The STRICH amp has Clean and Overdrive channels for rock, pop or blues, while the Demusea has gain, bass, treble and volume controls with a guitar input and an aux in. The Fender has spring reverb and a 1-button footswitch for a fat Mid boost, so compare the controls before you choose.
Look at what comes in the box
Accessories change what you still need to buy. The Demusea box holds a 3-meter cable, picks, an aux cable, an earphone and a 6.5mm to 3.5mm adapter. The STRICH amp comes with a guitar cable, and the GLARRY pack holds a guitar, a bag, a strap, picks, a tremolo arm and a spanner tool. The Fender comes with a 1-button footswitch.
Frequently asked questions
What guitar amp is best for blues?
The STRICH 20W amp has Clean and Overdrive channels for blues, and the Fender Blues Junior IV is a 15-watt all-tube combo with a 12-inch Celestion speaker and spring reverb. The Demusea 20W amp leads the list with gain, treble and bass controls and a full accessory set.
Do I need a tube amp for blues?
No, a tube amp is one choice, not a must. The Fender Blues Junior IV is the only all-tube amp here at 15 watts, while the STRICH and Demusea amps run 20W with Clean and Overdrive channels or gain controls.
What size speaker should a blues amp have?
It depends on the amp. The Demusea has a 5-inch speaker and the Fender has a 12-inch Celestion speaker.
Can I practice blues quietly with these amps?
Yes, with a headphone jack. The Demusea and STRICH amps have headphone jacks for silent practice, and the STRICH adds a 3.5mm AUX input for backing tracks.
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Specifications and availability come from each Amazon listing on Nov 14, 2026 and can change. Check the listing before you buy.