Boult ProBass ZCharge
Launched Dec 2021 · Neckband
Usual price₹899
Where to buy
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Usual price ₹899 · launch price ₹1,299
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Score breakdown
Heavy bass, dull treble
No ANC; in-ear tips seal only
About 35 h in a blog test
Dual pairing, IPX5, touch; old BT, no app
Voice sounds over-processed
Ear hooks stay put; tires small ears
Each part is rated on one scale for every earbud and headphone, from lab test measurements where they exist, what reviewers found, specs and owner reports. It rates the product itself, not how good it is for the price.
Pros
- Heavy, satisfying bass
- About 35 h at full volume
- Ear hooks keep it in place during workouts
- Stable link, automatic two-device switching mostly works
Cons
- Treble dull
- Call voice sounds over-processed
- Noticeable lag in games
- Can tire small ears
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PadhKeDekhoMar 2025
Small blog's long-term test: a bass-first, gym-friendly neckband with weak treble and so-so calls.
Full specs
| Drivers | 14.2 mm dynamic |
|---|---|
| Codecs | SBC |
| Hi-Res audio | No |
| Spatial audio | No |
| Equaliser | None |
| ANC | No |
|---|---|
| Transparency / ambient mode | No |
| Battery | 40 h |
|---|---|
| Measured in a test | 35 h (about 35 h at max volume, blog test) |
| Fast charging | 10 min = 15 h |
| Wireless charging | No |
| Call noise reduction | ENC |
|---|
| Bluetooth | 5.2 |
|---|---|
| Multipoint (two devices at once) | Yes |
| App | No |
| Water resistance | IPX5 |
|---|---|
| Controls | touch |
| In-ear detection | No |
| Warranty | 1 year |
|---|---|
| Colours | Black, Blue, Red |





