Features & benefits
Wireless high quality sound
Foldable, Portable, Secure
AKG signature sound
Long-lasting comfort
Specs
Audio Specifications
Driver
Closed-back headphones
Frequency Response
20-20 kHz
Maximum Input Power
50 mW
Input Impedance
32 ohms
Sensitivity
102 dB SPL/V
AKG Easy Compare
Style
Over-ear
Sound
Signature sound
Connectivity
Bluetooth 3.0
Smartphone control
Smartphone
General Specifications
Colour
Black
Cable
1.20 m
Connector
3.5mm jack
Weight
288 g
Colorblack
Dimensions93 x 93 x 27 mm (approx.)
Bluetooth VersionVersion 4.2, class 1
Supported ProfilesA2DP
Connection cableoptical cable-1.5m/analog 3.5mm cable-1.5m/USB power cable-1.2m
Operating temperature0-40°C (32-104°F)
RF output power10 mW (max)
Number of channels79
Input voltage range5V
Frequency bandISM 2.4GHz Band
Frequency range2.4GHz~2.4835GHz
RF sensitivity-80dBm (BR, Max)
Transmission frequency2402 to 2480 MHz
Weight w/o cable85g
Connectionanalog or digital
Audio codecSBC, aptX,aptX LL
Advanced Active Noise Cancellation Up to 30 hours play time Wireless via Bluetooth Transparency Mode Proximity Sensors
SPECIFICATIONS
Bang & Olufsen
Compatible with Bang & Olufsen App.
Battery
Rechargeable lithium-ion battery
Capacity: 1110 mAh
Up to 30 hours playing time with Bluetooth and ANC
Up to 45 hours with Bluetooth only
Up to 42 hours wired with ANC + control
Charging time approx 3.5 hours
Bluetooth
Bluetooth 4.2 · AAC codec Compatible with Bluetooth 1.1 - 4.2
Colours
Black Natural
Cord
1.2 m audio cord with 3.5 mm jack 1.25 m USB-A to USB-C cable
Designer
Jakob Wagner
Dimensions
180 x 186 x 51mm
Frequency
20 - 22,000 Hz
Included in the box
Beoplay H8i 1.2 m audio cord with 3.5 mm jack 1.25 m USB-A to USB-C cable Flight adapter Carrying pouch Quick start guide
Loudspeaker
Electro-dynamic driver, 40 mm diameter
Materials
Aluminium, fabric, leather, polymer and rubber
Microphone
2 digital MEMS voice microphones 4 dedicated electret microphones for ANC (2 electret in each earcup)
On device controls
3 ways toggle switch for Power, ANC and Transparency Mode 3 buttons for volume up/down, Bluetooth pairing, play etc.
Proximity sensor
The headphones automatically pauses when you take them off (Pause/Play function).
Support
For further support visit the Beoplay H8i support page.
Transparency mode
Transparency Mode is accessible with a touch of a button on the earcup.
Weight
215g / 225g (incl audio cable)
Created with the music lover in mind, the RS 185 now makes it possible to enjoy dynamic, high-fidelity Sennheiser sound at home without the hassle of wires. These innovative, ergonomically designed, wireless open headphones deliver amazingly precise sound reproduction in uncompressed digital quality even as you wander from room to room, and they are light and comfortable enough for extended periods of use.Furthermore, the conveniently located manual input level and balance controls make setting the listening levels to your individual preference a snap, so you’ll be able to fine-tune the details of each track in stunning acoustic clarity. Just connect the multi-purpose transmitter to your home sound system (via optical or analog inputs) and lose yourself in the music.Sennheiser’s RS 185: The right wireless choice for serious listeners.
FEATURES
Wireless, open, circumaural headphones with uncompressed digital audio transmission
Exceptional digital audio clarity and transmission range of up to 328ft/100m (line of sight)
High-performance Sennheiser transducers for precise, thrilling sound
Control the sensitivity of your analog input – choose between Automatic Level Control (ALC) mode to even out volume differences automatically or Manual Level Control (MLC) mode to manually adjust the sensitivity
Supports analog and digital audio inputs and allows toggling between the inputs
Balance control located on the headset for convenient adjustments
Multi-purpose transmitter – also functions as ‘easy-charge’ cradle and docking station
Multi-receiver transmission – transmitter supports up to two pairs of headphones simultaneously
Ergonomic design for enhanced wearing comfort
Type:
Dynamic, open
Frequency Response:
17 - 22000 Hz
Impedance:
-
Total Harmonic Distortion:
EXCEPTIONAL WIRELESS SOUND QUALITY
Enjoy your music and entertainment wirelessly. Hi-Res certification, built-in support for AAC and aptX HD Bluetooth ensures the highest quality sound.
Next-Generation Noise Cancellation
The Denon next-generation proprietary active noise cancelling system utilizes dual microphones on each earcup and three noise cancellation modes designed for air travel, commuting and the office. Each mode is specifically designed to reduce or eliminate ambient noise found in your environment. Listen to music, make calls, watch movies and concentrate on your work, free from distracting noise.
Designed for Extended Wear
Ideal for frequent air travel and long commutes with a soft, adjustable headband, and dual-movement memory foam earcups ensure a perfect fit and hours of comfort that’s never fatiguing.
Calling on the Go
Even in the loudest places, hear every word of your phone call. Connect via Bluetooth or use the included cable that features an in-line remote. Dual microphones deliver remarkable voice clarity when making and receiving phone calls and contribute to the exceptional noise cancellation performance.
Full Accessory Kit Included
Lightweight, wireless and foldable, the AH-GC30 is designed for those on the go. Included is a deluxe carrying case for the headphones and accessories, a USB Micro-B cable to charge the lithium-ion battery from any USB charger or computer USB port, and an audio cable with built-in inline microphone and remote for wired listening.
New FreeEdge Driver for Superior Sound
Denon-exclusive FreeEdge driver design, usually reserved for ultra-premium headphones, cancels out unwanted resonances to provide detailed, accurate sound. Soft, pliant surround materials allow the drivers to deliver crisp highs, deep bass and precise imaging without flexing or distorting the music signal, ensuring the best possible acoustic experience.
Extended Battery Life
Enjoy up to 20 hours of wireless listening. The included USB Micro-B cable lets you charge the lithium-ion battery from any USB charger or computer USB port. The battery recharges in just two hours. Even if the battery is depleted, take calls and listen to your music with the included 3.5mm audio cable.
cVc (Clear Voice Capture)
Along with aptX HD wireless audio coding that provides CD quality audio, Clear Voice Capture, a sophisticated noise reduction system, enhances received audio quality. It provides noise suppression, adaptive equalization, automatic gain control, echo cancellation, wind noise reduction and noise dependent volume control to deliver the clearest vocal quality, even in harsh noisy environments.
Auto Standby
Never forget to turn off your headphones. Save your battery. Set headphones to turn off automatically due to inactivity.
New Ambient Monitor
Tap to listen. Hear the flight attendant’s announcements or quick in-office conversation with the built-in ambient monitor. Simply tap the AH-GC30 earcup and the built-in microphone ensures you hear the outside world.
Headphone section
Type:
Dynamic type
Drive units:
φ40 mm
Impedance:
16 Ω/ohms
Sound pressure sensitivity：
98 dB/mW
Maximum input：
1,000 mW
Playback frequency:
5 – 50,000 Hz
Bluetooth section
Compatible standards:
Bluetooth Ver. 5.0
Transmission power class:
Max. transmission power 10 mW (Class 1)
Compatible profiles:
A2DP/AVRCP/HSP/HFP
A2DP codec support:
aptX HD/aptX/AAC/SBC
Continuous playback time:
Bluetooth function ON + noise cancellation function ON：
DC 3.7 V (internal lithium polymer rechargeable battery)
Weight:
287 g
Listen to your favorite music wirelessly, from up to 300 feet away. This RF transmitter and rechargeable wireless headphone reproduces rich sound from almost any source and features auto on/off.
Technical Data
Colorsilver
Impedance24 Ω
Dimensions85 x 225 x 133 mm
ConnectorJack 3,5 mm/6,35 mm stereo
Frequency response22 - 19500 Hz
THD, total harmonic distortion< 0.7 %
Ear couplingSupraaural
Transducer principleOpen, Dynamic
WeightReceiver: 230 g (inc. Batteries)
WeightTransmitter: 200 g
Power consumption< 1,8 W
Signal-to-noise ratio> 65 dBA
Operating time20 h
ModulationFM stereo
Power supplyReceiver: 2 AAA cells-rechargeable
Power supplyTransmitter: 9V bloc
SPL for peak deviation106 dB
What\'s in the box?
HDR 120 II headphones
TR 120 II transmitter with audio connecting cable
Mains unit
Two rechargeable batteries, 1.2 V, AAA size, Ni-MH
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