Koss BT740iQZ
ANC, 12 h, WirelessProduct 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.
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 |
Manufacturer | Koss |
Category | Headphones |
Manufacturer no. | 145196718 |
Release date | 22.10.2020 |
External links |
Colour | Black |
Exact colour description | Black |
Application range | General |
Output | Stereo |
Noise cancelling | ANC |
Equipment + Functions | Noise Reduction |
Music control | no smartphone remote control |
Signal transmission | Wireless |
Headphone type | On Ear Headphones |
Fit | Headband |
Isolation | Closed |
Driver diameter | 40 mm |
Membrane size | 40 mm |
Frequency range | 10 - 20000 Hz |
Sensitivity | 97 dB |
Audio Connections | Jack 3.5mm (1x) |
Connections base/transmitter | 3.5mm, Micro USB |
Headphone cable length | 1.4m |
Bluetooth version | 5.0 |
Max. range | 10 m |
Power supply | Rechargeable battery operated |
Battery type | Li-ion |
Battery life | 12 h |
Charging input | Standard A 2.0 |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1x earpods |
Height | 25 cm |
Width | 19.50 cm |
Depth | 19.50 cm |
Weight | 300 g |
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.Joyroom1.7 %
- 34.Shokz1.7 %
- 38.Koss1.8 %
- 38.Marshall1.8 %
- 38.PhoneLook1.8 %
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.Joyroom0 days
- 1.JVC0 days
- 1.Koss0 days
- 1.Lenovo0 days
- 1.LogiLink0 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Digitec Galaxus- 25.4smarts1.3 %
- 25.Belkin1.3 %
- 25.Koss1.3 %
- 25.Xiaomi1.3 %
- 29.Cellularline1.4 %