SENNHEISER HD-4.40-BT Headset BT

Wireless headphones with integrated microphone

You can take it with you. Versatile and vibrant, the new HD 4 series offers you the complete Sennheiser quality package in a range of durable, closed-back over-ear headsets that fulfill your everyday aural needs. Features Bluetooth 4.0 and aptX compatibility to deliver true Hi-Fi sound with a satisfyingly dynamic bass. Its elegantly minimalistic design has been crafted from robust, high-quality materials to meet the requirements of the street.

Technical Data :

Headphones
 

• Frequency response :17 - 22,000 Hz
• Max. sound pressure level 114 dB at 1kHz, 3% THD
• THD, total harmonic distortion  90 dBA
  Modulation 8-FSK Digital
  Carrier frequencies  2.4 – 2.48 GHz
  
  
  What\'s in the box?
  
  HDR 175 headphones
  TR 175 transmitter
  Optical cable
  Audio cable
  Power supply with 4 adapters (EU, UK, US & AU)
  2 AAA NiMH rechargeable batteries
  Quick guide

With elegant and modern European style, the AH-GC20 headphones offer excellent sound quality together with excellent noise elimination, reducing the ambient noise at the amazing 99%. Equipped with the latest aptX wireless technologies, including aptX Low Latency and CVC (Clear Voice Capture), headphones AH-GC20 headphones have soft foam pads with memory, they provide an extremely comfortable fit, along with additional passive noise reduction.

Enjoy beautiful music in absolute silence without the hassle of tangled wires, with wireless headphones Globe Cruiser AH-GC20 Denon's with active noise suppression. With the latest Bluetooth 4.0 Dual Mode wireless technologies, including Advanced Audio Coding (AAC), the closed-type headphones AH-GC20 eliminates the need for cables, communicating wirelessly to your smartphone, your tablet and portable music player.

With elegant and modern European style, the AH-GC20 headphones offer excellent sound quality together with excellent noise elimination, reducing the ambient noise at the amazing 99%. Equipped with the latest aptX wireless technologies, including aptX Low Latency and CVC (Clear Voice Capture), headphones AH-GC20 headphones have soft pads with memory foam, providing an extremely comfortable fit, along with additional passive noise reduction.

Wireless Bluetooth 4.0 Dual Mode Connectivity

With the AH-GC20, there is no need for cable to enjoy your music in your favorite portable device. The AH-GC20 have dual simultaneous connectivity device. For example, you can listen wirelessly from your iPad or iPod touch and send and receive calls from your iPhone, and the AH-GC20 offer compatibility with voice control system Siri of Apple, including voice messaging for providing information mode and battery life, with a choice of 7 different languages.

Active Noise Suppression

Featuring exclusive active noise suppression system, the AH-GC20 can reduce or effectively eliminate background noise, and can be used while playing music, making phone calls, or themselves for peace and quiet in a noisy environment. Two microphones in each earpiece dome (one inside, one outside), contributing to a remarkable voice clarity when making and receiving calls and excellent noise suppression performance.

cVc (Clear Voice Capture)

Along with aptX Low Latency wireless audio coding that provides quality audio CD, the AH-GC20 is also equipped with technology Clear Voice Capture, a sophisticated noise reduction system, which improves the quality of the received audio and includes noise suppression, adaptive equalization, automatic gain control, echo cancellation, wind noise reduction and volume control dependent noise, all designed to provide the clearest voice quality even in adverse noisy environment.

The Legendary Precision of Denon

Equipped with large diameter 40mm professionally tuned speakers, the AH-GC20 benefiting from years of experience Denon individual field of studio and professional headphone, providing a natural tonal balance free from excessive colors. While last menting so many headphone companies, the Denon has decades of expertise in the development of advanced handsets. In fact, we take measurements from over 4000 human ears and the distribution of facial structures of people, to ensure that everyone everywhere can enjoy the best quality sound and comfort.

Contemporary European Design

Equipped with ear foam pads with memory, AH-GC20 offer comfortable fit over the ears with effortless listening, due to the use of advanced lightweight materials, such as links arches headphone with headband aluminum alloy rotatably two shafts, with lightweight headband cushion. Weighing just 9 oz, the AH-GC20 allow you to listen in comfort, even for long hours.

Exclusive Denon Travel Smartphone Application

Designed Globe Cruiser headphones Denon, the Denon Travel smartphone application einapoteleiai the perfect complement to the AH-GC20, which gives you control in your hands with a number of functions, and is available in versions for iOS and Android for compatibility with the widest possible range smartphones models.

Included Full Kit Accessories

While holders AH-GC20 will undoubtedly hear wireless headphone via Bluetooth more often included also a headphone cord when wireless use is not permitted (as in take-offs and landings of aircraft). The kit also includes a standard 3.5mm adapter-¼ "for connecting to home and tstountiako audio equipment, and a plug adapter for airplane. The supplied cable USB Micro-B allows you to charge the lithium-ion battery from any USB charger or USB port computer. To enjoy a full 20-hour wireless listening, the AH-GC20 recharged in just three hours. If the battery is exhausted and there is no available USB port for charging, you can still enjoy the music through the supplied audio cable.

Included also one deluxe carrying case for headphones AH-GC20 and accessories to have everything together when you're on the go.

    Advanced Active Noise Cancellation
    Up to 30 hours play time
    Wireless via Bluetooth
    Transparency Mode
    Proximity Sensors

SPECIFICATIONS

• 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

20 - 22,000 Hz

Transparency Mode is accessible with a touch of a button on the earcup.

    Advanced Active Noise Cancellation
    Up to 30 hours play time
    Wireless via Bluetooth
    Transparency Mode
    Proximity Sensors

SPECIFICATIONS

• 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

20 - 22,000 Hz

Transparency Mode is accessible with a touch of a button on the earcup.

This sleek and elegant transmitter/receiver set brings Sennheiser audio expertise and leading edge digital wireless technology to those wishing to improve their TV viewing with a personalized listening experience. With three different hearing profiles to enhance TV, movies or music, to choose from. Plus a unique Speech Intelligibility feature that reduces TV background noise for added clarity.