Koss BT740iQZ

ANC, 12 h, Wireless
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Product details

The Koss BT740iQZ On-Ear Headphones offer a wireless audio experience suitable for both music lovers and phone calls. With active noise cancellation, these headphones minimize ambient sounds, allowing the user to immerse themselves in music or conversation. The headphones are equipped with Bluetooth 5.0, providing a stable connection and a range of up to 10 meters. The 40mm drivers deliver clear and powerful sound across a frequency range of 10 to 20,000 Hz. With a battery life of up to 12 hours, the headphones ensure that they won't let you down during longer listening sessions. The closed design contributes to sound isolation and enhances the listening experience.

  • Active noise cancellation for uninterrupted listening
  • Bluetooth 5.0 for improved connection and range
  • Up to 12 hours of battery life for lasting enjoyment
  • 40mm drivers for clear and powerful sound
  • Closed design to enhance sound isolation.

Key specifications

Application range
General
Equipment + Functions
Noise Reduction
Headphone type
On Ear Headphones
Signal transmission
Wireless
Audio Connections
Jack 3.5mm (1x)
Noise cancelling
ANC
Isolation
Closed
Item number
14039721

General information

Manufacturer
Koss
Category
Headphones
Manufacturer no.
145196718
Release date
22.10.2020
External links

Colour

Colour
Black
Exact colour description
Black

Application range

Application range
General

Headphone properties

Output
Stereo
Noise cancelling
ANC
Equipment + Functions
Noise Reduction
Music control
no smartphone remote control
Signal transmission
Wireless

Headphone type

Headphone type
On Ear Headphones
Fit
Headband
Isolation
Closed
Driver diameter
40 mm
Membrane size
40 mm

Audio properties

Frequency range
10 - 20000 Hz
Sensitivity
97 dB

Connections

Audio Connections
Jack 3.5mm (1x)
Connections base/transmitter
3.5mmMicro USB

Audio cable properties

Headphone cable length
1.4m

Bluetooth features

Bluetooth version
5.0
Max. range
10 m

Power supply

Power supply
Rechargeable battery operated

Battery properties

Battery type
Li-ion
Battery life
12 h
Charging input
Standard A 2.0

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1x earpods

Product dimensions

Height
25 cm
Width
19.50 cm
Depth
19.50 cm
Weight
300 g

Package dimensions

Length
20 cm
Width
10 cm
Height
23 cm
Weight
600 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 34.Joyroom
    1.7 %
  • 34.Shokz
    1.7 %
  • 38.Koss
    1.8 %
  • 38.Marshall
    1.8 %
  • 38.PhoneLook
    1.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Joyroom
    0 days
  • 1.JVC
    0 days
  • 1.Koss
    0 days
  • 1.Lenovo
    0 days
  • 1.LogiLink
    0 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Digitec Galaxus
  • 25.4smarts
    1.3 %
  • 25.Belkin
    1.3 %
  • 25.Koss
    1.3 %
  • 25.Xiaomi
    1.3 %
  • 29.Cellularline
    1.4 %
Source: Digitec Galaxus