A tiny tuner, metronome and headphone amp for guitar and bass. The BOSS TU-88 Micro Monitor & Tuner is a small, feature-packed triple-function unit for guitar and bass: needle-accurate tuning, a metronome, and a headphone amp with speaker simulator. This listing is the white version.
Why customers choose it
Who it is for
Guitarists and bassists who practise quietly, travel or warm up before shows.
What’s in the box
- 1 x Boss TU-88
- 1 x 9 V battery (6F22, carbon)
- 1 x Owner’s manual
- Leaflet: Using the unit safely and Important notes
- Information
Specifications
| Tuning range | E0 (20.6 Hz) – C8 (4,186 Hz) |
|---|---|
| Reference pitch | A4 = 435 – 446 Hz |
| Accuracy | 1 cent |
| Power | 9 V battery or PSA adaptor (optional) |
| Current draw | 30 mA |
| Battery life | approx. 8 hours (carbon) |
| Dimensions | 140 × 80 × 30 mm |
| Weight | 190 g |
| Colour | White |
| Type | Tuner / headphone amp |
Good to know
- A 9 V carbon battery is included.
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