# Are there any portable 4-string bass guitars available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Are there any portable 4-string bass guitars available?

## Products

### Traveler Guitar TB-4 4-String Travel Bass
```yaml
product: traveler-guitar-tb-4-4-string-travel-bass
brand: Traveler Guitar
price_gbp: 410.71
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Sealed closed-gear in-body (14:1)
bridge_type: 4-barrel bridge
scale_length: 32 in
body_material: Alder
neck_material: Maple
number_of_frets: 22
fingerboard_material: Maple
pickup_configuration: Duncan Designed Mustang split single-coil
```

- **Price:** £410.71 [^1]
- **Summary:** Compact travel bass with a 32 in scale, alder body, maple neck and maple fingerboard, a Duncan Designed Mustang split single-coil pickup and built-in headphone amp. Suited for travelling players and practice where portability and full bass feel are required.
- **Additional Sources:** [^2]

### Jackson JS1X Concert Minion 4-String Bass (JS1X)
```yaml
product: jackson-js1x-concert-minion-4-string-bass-js1x
brand: Jackson
price_gbp: 134.41
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Jackson sealed die-cast tuners
bridge_type: Hardtail 4-saddle adjustable HiMass bridge
scale_length: 28.6 in
body_material: Poplar
neck_material: Maple
number_of_frets: 22
fingerboard_material: Amaranth
pickup_configuration: P (neck) and J (bridge)
```

- **Price:** £134.41 [^3]
- **Summary:** Short-scale 4-string bass with a poplar body, maple neck with graphite reinforcement, amaranth fingerboard and PJ pickup layout. Suited for younger players, travelers, or anyone wanting a compact, affordable bass with versatile tonal options.
- **Additional Sources:** [^4], [^5]

### Ibanez GSRM20 miKro 4-String Short-Scale Bass
```yaml
product: ibanez-gsrm20-mikro-4-string-short-scale-bass
brand: Ibanez
price_gbp: 164.28
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Ibanez die-cast
bridge_type: B10 fixed
scale_length: 28.6 in
body_material: Poplar
neck_material: Maple
number_of_frets: 22
fingerboard_material: Purpleheart
pickup_configuration: PJ
```

- **Price:** £164.28 [^6]
- **Summary:** Compact short-scale bass with a poplar body, maple neck, purpleheart fingerboard and PJ (Dynamix) pickup set. Comfortable for players with smaller hands and suitable for practice, travel, or beginners seeking a full bass tone in a smaller instrument.
- **Additional Sources:** [^7], [^8]

### Hofner Ignition Series 500/1 Violin Bass 4-String
```yaml
product: hofner-ignition-series-500-1-violin-bass-4-string
brand: Hofner
price_gbp: 373.37
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Open-gear tuners with pearl buttons
bridge_type: Ebony adjustable bridge with trapeze tailpiece
scale_length: 30 in
body_material: Spruce top; flamed maple back and sides
neck_material: Maple
number_of_frets: 22
fingerboard_material: Jatoba
pickup_configuration: Dual Ignition staple humbuckers
```

- **Price:** £373.37 [^9]
- **Summary:** All-hollow short-scale violin bass with a spruce top and flamed maple back and sides, 30 in scale, 22 frets, and dual Ignition humbucking pickups. Suited for players seeking the vintage Hofner tone and lightweight, short-scale playability at an affordable price.
- **Additional Sources:** [^10], [^10]

### Mitchell MB100 Short-Scale 4-String Bass
```yaml
product: mitchell-mb100-short-scale-4-string-bass
brand: Mitchell
price_gbp: 141.88
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Die-cast
bridge_type: Adjustable top-load
scale_length: 30 in
body_material: Basswood
neck_material: Rock maple
number_of_frets: 21
fingerboard_material: null
pickup_configuration: Dual split-coil and single-coil
```

- **Price:** £141.88 [^11]
- **Summary:** Short-scale 30 in solidbody bass with a lightweight basswood body, rock maple neck and versatile dual split and single-coil passive pickups. Suited for beginners and players seeking an easy-to-play, compact bass with varied tones.
- **Additional Sources:** [^12], [^12]

### Gretsch G2220 Junior Jet II Bass 4-String
```yaml
product: gretsch-g2220-junior-jet-ii-bass-4-string
brand: Gretsch
price_gbp: 224.02
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Die-Cast
bridge_type: 4-Saddle Adjustable
scale_length: 30.3 in
body_material: Basswood
neck_material: Maple
number_of_frets: 20
fingerboard_material: Laurel
pickup_configuration: SS
```

- **Price:** £224.02 [^13]
- **Summary:** Short-scale 30.3 in bass with a basswood body, bolt-on maple neck and 20-fret laurel fingerboard. It has two Gretsch single-coil bass pickups, die-cast tuners and a four-saddle adjustable bridge, suited for beginners and players seeking a compact, punchy short-scale bass.
- **Additional Sources:** [^14], [^15]

### Kala U-Bass UBASS-4 Solid Body Acoustic-Electric U-Bass
```yaml
product: kala-u-bass-ubass-4-solid-body-acoustic-electric-u-bass
brand: Kala
price_gbp: 275.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
tuner_type: Closed gear, 1:18 ratio
bridge_type: Top loaded 4-saddle
scale_length: 23.5 in
body_material: Okoume
neck_material: Maple
number_of_frets: 22
fingerboard_material: Laurel
pickup_configuration: Passive split-coil
```

- **Price:** £275.55 [^16]
- **Summary:** Compact short-scale solid-body U•BASS with an okoume body, maple neck and laurel fingerboard, delivering thick, meaty tone from a passive split-coil pickup. It's ideal for players wanting portable full bass sound, beginners, and gigging musicians needing a travel-friendly instrument.
- **Additional Sources:** [^17], [^18]

---
## References & Sources
[^1]: Traveler Guitar (official), accessed 2026-06-08. https://www.travelerguitar.com/products/tb-4p-bass
[^2]: Equipboard (lists retailer prices), accessed 2026-06-08. https://equipboard.com/items/traveler-guitar-tb-4p-electric-travel-bass
[^3]: Music Villa MT, accessed 2026-06-08. https://musicvilla.com/collections/bass-guitars/products/jackson-js-series-concert-minion-js1x-black-cwj2452362
[^4]: Sam Ash, accessed 2026-06-08. https://www.samash.com/jackson-js-series-concert-minaion-js1x-bass-w-tb10-bass-amplifier-neon-green-j5556518k
[^5]: Gear4music, accessed 2026-06-08. https://www.gear4music.com/us/en/G4M/Jackson-JS1X-Concert-Bass-Minion-Bass-Guitar-Neon-Green/6M1G
[^6]: Guitar Center, accessed 2026-06-08. https://www.guitarcenter.com/Ibanez/GSRM20-Mikro-Short-Scale-Bass-Guitar-Black-1275776901422.gc
[^7]: GearTree, accessed 2026-06-08. https://www.geartree.com/product/variations/2814556/ibanez-gsrm20-mikro-short-scale-4-string-bass-guitar-jatoba-fingerboard-root-beer-metallic/
[^8]: Ibanez (official), accessed 2026-06-08. https://www.ibanez.com/eu/products/detail/gsrm20_2y_06.html
[^9]: Guitar Center, accessed 2026-06-08. https://www.guitarcenter.com/Hofner/Ignition-Series-Short-Scale-Violin-Bass-Guitar-Sunburst-1500000449363.gc
[^10]: Island Music Co, accessed 2026-06-08. https://islandmusicco.com/hofner-hi-500-1-ignition-violin-bass-sunburst-a6iz/
[^11]: Guitar Center, accessed 2026-06-08. https://www.guitarcenter.com/Mitchell/MB100-Short-Scale-Solidbody-Electric-Bass-Guitar-White-1500000454752.gc
[^12]: Music & Arts, accessed 2026-06-08. https://www.musicarts.com/mitchell-mb100-short-scale-solid-body-electric-bass-main0458136
[^13]: Gretsch (official), accessed 2026-06-08. https://www.gretschguitars.com/gear/build/bass/g2220-electromatic-junior-jet-bass-ii-short-scale/2514730517
[^14]: Guitar Center, accessed 2026-06-08. https://www.guitarcenter.com/Gretsch-Guitars/G2220-Electromatic-Junior-Jet-Bass-II-Short-Scale-Bass-Black-1500000280329.gc
[^15]: Bill's Music, accessed 2026-06-08. https://www.billsmusic.com/2514730517/
[^16]: Kala Brand Music Co., accessed 2026-06-08. https://kalabrand.com/collections/solid-body-ubass
[^17]: Alchemy Musical Supply, accessed 2026-06-08. https://alchemymusicalsupply.com/kala-ubass-solid-body-4-string-fretted-electric-bass-jet-black-ubass-sb-bk-fs/
[^18]: Firehouse Guitars, accessed 2026-06-08. https://www.firehouseguitars.com/product/variations/2815432/kala-solid-body-4-string-electric-u-bass-laurel-fingerboard-powder-blue/