Poly - Plantronics Backbeat FIT 3150 vs. JBL TUNE Flex

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Poly - Plantronics Backbeat FIT 3150 and JBL TUNE Flex. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Poly - Plantronics Backbeat FIT 3150 vs. JBL TUNE Flex Comparison Chart
DESIGN AND DIMENSIONS Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 26 g -
Dimensions & Weight Details Earbud: 13 g
Charging case: 89 g
Charging case: 5.15 cm x 2.93 cm x 4.7 cm / 38.6 g
Earbud: 2.05 cm x 2.02 cm x 3.49 cm / 4.8 g
Colour Black, blue | Black Blue | White | Black | Purple
Protection Waterproof, sweat-resistant, IP57 -
Design Sports -
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 30 m -
SOUND QUALITY Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Headphones Form Factor In-ear - over-the-ear mount Ear-bud
Headphones Technology - Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.2 JBL TUNE Flex have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 3150.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Active Noise Cancelling - Yes JBL TUNE Flex are equipped with active noice cancellation.
Active Noise Cancelling Technology - Smart Ambient
Sound Output Mode Stereo Stereo
Sound Effects Bass Boost Pure Bass
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Total Harmonic Distortion (THD) <3% -
Sensitivity 94 dB 110 dB JBL TUNE Flex have higher sensitivity than Poly - Plantronics Backbeat FIT 3150.
Impedance - 32 Ohm
Diaphragm 13.5 mm 12 mm Poly - Plantronics Backbeat FIT 3150 have a thicker diaphragm than JBL TUNE Flex.
MICROPHONE Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Form Factor Built-in Built-in
Sensitivity - -38 dBV/Pascal
REMOTE CONTROL Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Controls Mute, volume control, answer/end, play/pause, next/previous track, voice assistant -
CABLE Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Cable Type Micro-USB charge cable - detachable USB-C charge cable
FEATURES Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Features Voice alerts -
BATTERY AND CHARGING Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Battery Type 2 x headphone battery rechargeable - lithium polymer 2 x headphone battery rechargeable - lithium polymer
Battery Capacity 90 mAh 55 mAh Poly - Plantronics Backbeat FIT 3150 have a higher battery capacity than JBL TUNE Flex.
Battery Life 8 hour(s) 4.5 hours Poly - Plantronics Backbeat FIT 3150 lasts longer on a single charge than the JBL TUNE Flex.
Battery Life Details Continuous playback: up to 8 hours
Continuous playback (with included charging case): up to 24 hours
Continuous playback: up to 32 hours
Continuous playback: up to 4.5 hours
Continuous playback (ANC OFF / Bluetooth): up to 8 hours
Continuous playback (ANC ON / Bluetooth): up to 6 hours
Continuous playback (with included charging case): up to 18 hours
Charging Time 2 hour(s) 2 hour(s) The charging of both headphones last the same time.
Included Qty 2 2
OTHERS Poly - Plantronics Backbeat FIT 3150 JBL TUNE Flex
Included Accessories USB charging cable, charging case (740 mAh) USB-C charging cable, 3 sizes of earhooks, charging case (570 mAh)
Compliant Standards - IPX4, GFSK, π/4 QPSK, 8DPSK
Service & Support Limited warranty - parts and labour - 1 year -
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