HiFiMAN HE-R9 Dynamic Closed-Back Headphones [b-Stock]

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HiFiMAN HE-R9 Dynamic Closed-Back Headphones [b-Stock]
B-Stock product, (read below) in excellent condition with original packaging, 2 year warranty.
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Description

BEST-SOUNDING DYNAMIC DRIVERS

High sensitivity thanks to HIFIMAN's use of a rare earth magnet
Topology diaphragm for detailed high frequency response to 35kHz
Advanced voice coil

HIFIMAN TOPOLOGY DIAPHRAGM

The "Topology Diaphragm” refers to a diaphragm featuring a special Nano particle coating applied to its surface. The result is a more natural and detailed sound than what is typically achieved in True Wireless earphones.

The idea behind the new Topology Diaphragm was inspired by Dr Fang Bian's Ph.D. thesis that "different Nano materials have differing structures and each of those materials have its own properties". Therefore, by carefully controlling the diaphragm surface structure you can yield different results in acoustic performance to a degree previously unobtainable.

The structure is both lightweight and strong, robust yet delicate, and designed to convey detail and musicality that is unmatched in the market.

ELEGANCE OUTSIDE, STRENGTH INSIDE

The exterior of the headband is covered by high-quality leather, giving it a soft elegant appearance. Inside, there is a high grade memory foam, selected to achieve the most comfortable fit and elasticity. The headband skeleton itself is made of solid steel.

The structure is both lightweight and strong, robust yet delicate, and designed to convey detail and musicality that is unmatched in the market.

LARGE EAR CUPS FOR SUPERIOR ACOUSTICS

The crimson ear cups are large, with internal space that helps produce substantial spatial volume and the necessary breathing room for the powerful driver to sound its best.

CABLE CONNECTIONS - DUAL COMPATIBILITY MODE

The socket can accommodate both a dual-sided unbalanced 3.5mm cable and a single-sided 3.5mm balanced cable (left socket). BLUEMINI R2R (OPTIONAL) dongle easily connects to the left socket.

HIFIMAN HE-R9 Cables

SPECS

Headphone Specifications:

Frequency Response: 15Hz-35Hz

Impedance: 32 ohm

Sensitivity: 100dB

Wight 328g

Blumeini R2R Specifications:

Bluetooth version: Bluetooth 5.0

Bluetooth chipset: Qualcomm QCC5124

DAC: HIFIMAN HIMALAYA

Frequency response: 20Hz - 20kHz

Battery life: 8 hours

Weight: 25g

Codecs: LDAC, aptX-HD, aptX, AAC, SBC

HIFIMAN HE-R9 Connections

A ´B-Stock´ is a product which has been returned by a customer within their 14/30 Day Money Back Guarantee.
These items are offered at a special, reduced price. Please note, that occasionally the packaging is no longer in pristine condition.
B-Stock products are in full working order and are checked by specialists before releasing them as B-Stock. They come with the full 2 year warranty as any other new product.
Any special comments about a B-Stock product will be noted at the beginning of the article description.

Designer

HiFiMAN Electronics is a designer and manufacturer of audio products including headphones, amplifiers, and portable audio players.

Founded by Dr. Fang Bian in 2007, HiFiMAN is widely regarded as one of the leading manufacturers of high performance headphones and portable audio products. HiFiMAN is especially known for its critically-acclaimed Planar-Magnetic headphones that feature state-of-the-art driver technology. The company also designs and manufactures best-in-class dynamic in-ear drivers which have also garnered awards and rave reviews. HiFiMAN also owns and operates Head-Direct, an online webstore featuring the finest headphones and portable audio players available today, including HiFiMAN products.