zihnic PN-9
Its 40mm dynamic drivers deliver deep bass and Hi-Res audio, supported by active noise cancellation for low-frequency rumble and a 40-hour battery that gains 6 hours of playback from a 10-minute charge. The foldable, lightweight frame uses memory foam and protein leather earpads for pressure-free comfort during extended wear. Best for commuters and budget-conscious listeners who need all-day wireless ANC, not detail-critical studio work.
Snapshot
Pros & Cons
Pros
- Strong comfort (91st percentile) 91st
- Strong anc (88th percentile) 88th
- Strong battery (85th percentile) 85th
- Strong sound (85th percentile) 85th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
- Q1 202673/100
Buyers praised the comfort, sound quality, and value for money, but one reported discomfort during travel and a Bluetooth failure after a year.
- Comfortable ear cups for long listening sessions
- Noise cancellation works for everyday noise but lets through ambient sound
- Good sound quality and balanced audio
- Bluetooth stopped working after about a year
- Q4 2025100/100
All three reviews are overwhelmingly positive, praising sound, comfort, durability, battery life, and value for under $40.
- Excellent sound quality and noise canceling, even at moderate volume.
- Exceptional durability; survived drops, rain, and years of heavy use.
- Comfortable for extended wear (12+ hours daily) with lightweight design.
- Great value at $30–40, with long battery life and versatile connectivity.
Based on 10 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | protein leather and memory foam |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Impedance | 32 |
| Hi-Res Audio | Yes |
| Codecs | ZIHNIC Active Noise Cancelling Headphones, 40H Playtime Wireless Bluetooth Headset with Deep Bass Hi-Fi Stereo Sound,Over-Ear Headphone,Comfortable Earpads for Travel/Home/Office (Blue) |
Noise Control
| ANC | Yes |
| Transparency | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5 |
| Wired Connector | 3.5mm |
Battery
| Battery Life | 40 |
| Charge Time | 1.5 |
| Fast Charging | 10 minutes of charge time provides 6 hours of music playback |
| Charging | USB-C |
| Capacity | 500 |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
| Boom Mic | No |
vs Competition
| Spec | zihnic PN-9 | Sony ULT WEAR WHULT900N/B | JBL Tune 670NC | Soundcore Life Q20 | TOZO HT3 | Sennheiser ACCENTUM Plus |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | on-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 32 | 40 | 40 | 37 |
| Impedance Ohms | 32 | 314 | 32 | 16 | 16 | - |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.0 | 5.2 | 5.3 | 5.0 | 6.0 | 5.2 |
| Battery Life Hours | 40 | 30 | 70 | 60 | 90 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| zihnic PN-9 | 87.8 | 74.3 | 37.4 | 84.8 | 85.4 | 90.7 | 71.1 | 70 | 82.9 |
| Sony ULT WEAR WHULT900N/B Compare | 98.4 | 88.8 | 80.7 | 96.8 | 81.1 | 61.3 | 71.1 | 99.2 | 89.2 |
| JBL Tune 670NC Compare | 98.4 | 74.3 | 80.7 | 88.3 | 95.4 | 90.7 | 81.8 | 99.4 | 98.6 |
| Soundcore Life Q20 Compare | 95 | 88.8 | 89.1 | 100 | 92.9 | 90.7 | 96 | 91.2 | 89.2 |
| TOZO HT3 Compare | 91.7 | 88.8 | 96 | 99.1 | 98.1 | 61.3 | 96 | 97.5 | 94.7 |
| Sennheiser ACCENTUM Plus Compare | 95 | 83.9 | 37.4 | 96.9 | 88.9 | 61.3 | 0 | 97.2 | 82.9 |
Price
Value & Pricing
Amazon 3 offers From $41
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
