HER9 vs AKG K701
The K701's impedance is 62Ω against the HER9's 60Ω, its sensitivity 105 dB against 100 dB, its high-frequency extension 40 kHz against 35 kHz, and its low-frequency extension 10 Hz against 15 Hz.
AI-generated product photo — not official manufacturer imagery.
HeadphonesOver-Ear HeadphonesWireless Headphones
Estimated price (community-sourced)
$79
Around — community and catalog average, updates slowly
About the HER9
The Hifiman HE-R9 is a closed-back, over-ear dynamic headphone designed to deliver natural and detailed sound. It features Hifiman's Topology Diaphragm with a special Nano particle coating for enhanced sound quality. The headphones offer Bluetooth 5.0 connectivity with support for various audio codecs like SBC, AAC, aptX HD. They are constructed with plastic ear cups, a steel band, and a leather headband with foam-filled ear pads.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 100 dB SPL @ 1W/1m
- Impedance
- 60Ω
- Frequency Response
- 15 Hz - 35 kHz
Headphone Design
Headphone driver and design characteristics
- Type
- over-ear
- Driver Type
- dynamic
- Open/Closed Back
- Closed Back
- Weight
- 328 g
Connectivity
Input and output connections
- Bluetooth
- Yes
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- 3.5 mm TRS
Physical Dimensions
Size, weight, and appearance
- Weight
- 0.328 kg (1 lbs)
Key Specifications
Sensitivity: 100 dB
Impedance: 60Ω
Frequency: 15-35000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions