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Black open-back planar magnetic headset with 100mm drivers, adjustable metal headband, boom mic and interchangeable ear cushions

ASUS

ASUS 90YH0470-BHAA00 ROG Kithara 100mm planar magnetic gaming headset

SKU CH-171E-2RB2S MPN 90YH0470-BHAA00

Open-back planar magnetic headset with 100mm drivers covering 8Hz–55kHz, plus a detachable MEMS boom mic and swappable 3.5mm, 4.4mm, 6.3mm and USB-C cables

  • ColorBlack
  • Connection TypeWired
  • Connector3.5mm/4.4mm/6.3mm, USB-C adapter
  • Driver Unit100mm
  • Headphone Frequency Response8Hz - 55KHz
  • Headphone Input Impedance16 ohm

Option Wired

  • Audiophile-grade fidelity from ROG-tuned 100mm HIFIMAN planar magnetic drivers
  • Spacious, natural soundstage delivered by open-back architecture
  • Clear, lifelike voice capture via on-cable full-band MEMS boom microphone
  • Broad plug-and-play compatibility with 4.4mm balanced, 3.5mm, 6.3mm and USB-C connections
  • Customisable comfort and acoustics with interchangeable leatherette-fabric and velour earcup cushions

Audiophile gaming headset with planar drivers

The ASUS ROG Kithara uses 100mm HIFIMAN planar magnetic drivers tuned by ROG for an 8Hz to 55kHz frequency response. Its 16-ohm impedance suits portable sources while the open-back architecture creates a wide, natural soundstage. Gamers seeking reference-grade detail in competitive titles will hear precise imaging across the entire spectrum.

Consistent fidelity during long sessions

Planar magnetic technology maintains low distortion even at high output levels, so tonal balance does not shift during extended play. The open-back cups vent heat naturally, preventing the pressure build-up common with sealed designs. An eight-level adjustable headband and 420-gram weight distribute load evenly for fatigue-free wear over many hours.

Upgrade from standard dynamic headsets

This replaces closed-back gaming headsets that compress soundstage and mask subtle cues. The jump is worth it for players who need accurate positional audio and a detachable MEMS boom mic with 20Hz to 20kHz capture. Buyers wanting wireless convenience or active noise cancellation should look elsewhere.

Highlights

  • Audiophile-grade fidelity from ROG-tuned 100mm HIFIMAN planar magnetic drivers
  • Spacious, natural soundstage delivered by open-back architecture
  • Clear, lifelike voice capture via on-cable full-band MEMS boom microphone
  • Broad plug-and-play compatibility with 4.4mm balanced, 3.5mm, 6.3mm and USB-C connections
  • Customisable comfort and acoustics with interchangeable leatherette-fabric and velour earcup cushions

Specifications

BrandASUS
ModelA702 ROG KITHARA/BLK
Part Number90YH0470-BHAA00
ColorBlack
Connection TypeWired
Connector3.5mm/4.4mm/6.3mm, USB-C adapter
Driver Unit100mm
Headphone Frequency Response8Hz - 55KHz
Headphone Input Impedance16 ohm
Weight420 g
Microphone Frequency Response20Hz-20KHz
Microphone Sensitivity- 36 ± 3 dB
FeaturesROG-Tuned 100mm HIFIMAN planar magnetic drivers: Audiophile-grade fidelity across an ultra-wide 8Hz –55kHz frequency range with vivid detail and exceptionally low distortion.
Open-back design: Spacious, natural soundstage with clear separation across bass, mids, and treble to enhance spatial awareness.
On-cable full-band MEMS boom microphone: Accurate voice pickup with a wide 20Hz–20kHz response and high SNR for clean voice; dual 3.5mm input prevents crosstalk for uninterrupted communication.
Broad compatibility and plug-and-play convenience: 4.4mm balanced plug included, plus 3.5mm
Package Contents1x ROG Kithara open-back planar magnetic gaming headset
1x Dual 3.5mm-to-dual 3.5mm boom mic cable (1.8m)
1x Dual 3.5mm with 3-in-1(3.5/6.3mm single-ended, 4.4mmbalanced) plug cable (1.8m)
1x USB-C to Dual 3.5mm adaptor
2x ear cushion sets: 1x ROG hybrid fabric set, 1x ROG leatherette set
1x Frequency response measurement card
1x Warranty booklet
1x Quick start guide
Shipping weight1.41 kg
Package size292 × 203 × 124 mm

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Questions about this item

How much power does the 100mm planar magnetic driver draw during all-day use?

The 16-ohm impedance lets the headset run efficiently from a phone, controller or laptop port without an external amp, so power draw stays negligible even after hours of play.

Which connector must my device already provide for the headset to work?

A 3.5mm, 4.4mm balanced or 6.3mm jack is required; the box also includes a USB-C adapter that splits to dual 3.5mm plugs for devices lacking those ports.

Will the open-back 100mm driver leak sound into a quiet room shared with older speakers?

Yes — the open-back design radiates audio outward, so anyone nearby will hear game sound and chat, unlike closed-back models that contain the audio.

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