In depth comparison and review of Bowers & Wilkins P9 Signature and JBL Quantum 400. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | 413 g | 274 g | JBL Quantum 400 are lighter than Bowers & Wilkins P9 Signature headphones. |
| Colour | Brown | Black | |
| Earpad Material | Leather, memory foam | Memory foam | |
| Headband Material | Aluminium, memory foam | - |
| SOUND QUALITY | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Foldable | Yes | - | Bowers & Wilkins P9 Signature can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | DTS | |
| Frequency Response | 2 - 30000 Hz | 20 - 20000 Hz | Bowers & Wilkins P9 Signature offer a larger frequency range than JBL Quantum 400. |
| Max Input Power | 50 mW | 30 mW | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 111 dB | 98 dB | Bowers & Wilkins P9 Signature have higher sensitivity than JBL Quantum 400. |
| Impedance | 22 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | - | |
| Features | - | JBL Quantum SURROUND |
| MICROPHONE | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 10 - 10000 Hz | |
| Sensitivity | - | -40 dB |
| CABLE | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Headphones cable - detachable - 5 m |
- | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| CONNECTIONS | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Bowers & Wilkins P9 Signature | JBL Quantum 400 |
|---|
| Included Accessories | Carrying case, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| Software Included | - | JBL Quantum Engine | |
| Service & Support | Limited warranty - parts and labour - 2 years | 1-year warranty |
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