
Sony WH-CH720N
Score: 91/100
AKG N9 Hybrid - Wireless Over-Ear Noise Cancelling
Score: 90/100Rankings

The Sony WH-CH720N provides a compelling mix of long battery life, lightweight comfort, and active noise cancellation at a mid-tier price, though its plastic construction and lack of folding design limit portability. It shines for commuters and remote workers who value ANC and Android-centric features.

The AKG N9 Hybrid combines ultra-long battery life, zero-latency 2.4 GHz wireless, and adaptive ANC into a premium over-ear headphone. It targets professionals who need high-resolution audio, excellent call quality, and versatile connectivity, though it carries a premium price.
| Attribute | ![]() | ![]() |
|---|---|---|
35 hours | 100 hoursbest | |
| ↓ lower better | 99 gramsbest | 281 grams |
10 metersbest | — | |
30 mm | 40 mmbest | |
| ↓ lower better | 3 minutesbest | 180 minutes |
20 kHz | 40 kHzbest | |
325 ohmsbest | 32 ohms | |
108 dBbest | 98 dB |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Bluetooth Version | 5.2 | 5.3 |
Battery & Power(2) | ||
Battery Life (hours) | 35 hours | 100 hours |
Quick Charge Time (minutes) | 3 minutes | 180 minutes |
Audio(6) | ||
Driver Size (mm) | 30 mm | 40 mm |
Frequency Response (High) (kHz) | 20 kHz | 40 kHz |
Impedance (ohms) | 325 ohms | 32 ohms |
Sensitivity (dB) | 108 dB | 98 dB |
Noise Cancellation Type | Dual | Adaptive |
Supported Codecs | SBC, AAC, LDAC | LDAC, SBC |
Build & Design(1) | ||
Weight (grams) | 99 grams | 281 grams |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the WH-CH720N for delivering flagship-like features-long battery life, solid ANC, lightweight comfort, and a feature-rich app-at a more affordable price point, while noting the plastic build, uneven sound tuning, and occasional Bluetooth pairing quirks.
Everyday users overwhelmingly praise the headphones for their impressive battery endurance, comfort, and clear call quality, while repeatedly mentioning the cheap feel of the plastic housing and heat buildup in the ear cups.

“Amazing headphones”

“Feels cheap”

“Battery lasts for days, even with heavy use.”




Professional reviewers praise the N9 Hybrid for its hybrid wireless architecture, zero-latency 2.4 GHz mode, and high-resolution audio capability, while noting the high price and slightly unbalanced high-mid response.
Users consistently commend the headphones for their comfort, exceptional call quality, and long battery life, with the 2.4 GHz dongle praised for eliminating lag; complaints focus on ear warmth and non-replaceable cushions.