JBL Tune 770NC Repair

Released in 2023, the JBL Tune 770NC's are a pair of wireless over ear headphones by JBL. They build on their predecessor, the Tune 760NC's, noise cancelling and audio quality ability. Retailing for 129.95$, they offer noise cancelling and Bluetooth capabilities with a modern design that comes in many colors. The headphones have a general design intended for listeners in all demographics and situations.

The Tune 770NC's are intended to be a more affordable pair of headphones, while still offering the same quality. Compared to other JBL headphone models, they have similar specs but a more budget price. This price has made it more accessible by more demographics, and helped them become more widespread.

Reviews for the Tune 770NC's are mostly positive, specifically quality of sound and ease of access with the device. There are some negative reviews, highlighting Bluetooth connection problems and malfunctions with noise cancelling ability. Overall they have high reviews than most on the market.

These headphones can be identified by the JBL logo on both ears, as well as the model number of JBLT770NCWHTAM.

General

• Driver size (mm): 40
• Number of Microphones: 1

Audio

• Driver sensitivity at 1kHz/1mW (dB): 100
• Dynamic frequency response range (Hz): 20 Hz – 20 kHz
• Impedance (ohms): 32

Dimensions

• Audio Cable Length (ft): 3.9
• Audio Cable Length (m): 1.2
• Ear Cup Depth (cm): 4.8
• Ear Cup Depth (in): 1.9
• Ear Cup External Height (cm): 9.2
• Ear Cup External Height (in): 3.6
• Ear Cup External Width (cm): 7.6
• Ear Cup External Width (in): 2.99
• Ear Cup Internal Height (cm): 5.4
• Ear Cup Internal Height (in): 2.12
• Ear Cup Internal Width (cm): 3.7
• Ear Cup Internal Width (in): 1.45
• Charging Cable Length (m): 1.2
• Charging Cable Length (ft): 3.9
• Weight (g): 232
• Weight (oz): 8.2

Control and Connection

• Bluetooth profiles: A2DP v1.4, AVRCP v1.6.2, HFP v1.8
• Bluetooth frequency: 2.4 GHz – 2.4835 GHz
• Bluetooth transmitted modulation: GFSK, π/4-DQPSK, 8DPSK
• Bluetooth transmitter power: < 10 dBm (E.I.R.P)
• Bluetooth version: 5.3

Battery

• Charging time (hours from empty): 2
• Maximum music play time with ANC off (hours): 70
• Maximum music play time with ANC on (hours): 44
• Maximum play time (hours): 70
• Maximum talk time (hours): 39

Features

• Audio cable
• Bluetooth
• Charging cable
• Foldable
• Voice Assistant integration
• Adaptive Noise Cancelling
• Ambient Aware
• Built-in Microphone
• Detachable Cable
• Flat-fold design
• Hands Free Call
• JBL Pure Bass Sound
• Multi-Point Connection
• Over-ear
• Rechargeable battery
• Speed charge
• TalkThru
• Wireless

Source: JBL.com

• JBL Tune 770NC User Manual
• JBL Tune 770NC (Official Website)
• Purchase JBL Tune 770NC's (Amazon)