JBL TUNE 520BT vs. Poly Savi 8240-M D2

Headphones Comparison, Reviews and Tests

In depth comparison and review of JBL TUNE 520BT and Poly Savi 8240-M D2. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

JBL TUNE 520BT vs. Poly Savi 8240-M D2 Comparison Chart
DESIGN AND DIMENSIONS JBL TUNE 520BT Poly Savi 8240-M D2
Product Type Headphones - Bluetooth - wireless Headset
Weight 157 g -
Colour Black | Purple | White | Blue -
Recommended Use Portable electronics -
SOUND QUALITY JBL TUNE 520BT Poly Savi 8240-M D2
Headphones Form Factor On-ear -
Headphones Technology Dynamic -
Adjustable Headband Yes -
Foldable Yes - JBL TUNE 520BT can be folded.
Connectivity Technology Wireless -
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 5.3 -
Bluetooth Profiles Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Sound Output Mode Stereo -
Sound Effects Pure Bass -
Frequency Response 20 - 20000 Hz -
Sensitivity 102 dB -
Impedance 30 Ohm -
Max Sound Pressure 95 dB -
Diaphragm 33 mm -
MICROPHONE JBL TUNE 520BT Poly Savi 8240-M D2
Form Factor Built-in -
Sensitivity -29 dB -
REMOTE CONTROL JBL TUNE 520BT Poly Savi 8240-M D2
Controls Volume -
CABLE JBL TUNE 520BT Poly Savi 8240-M D2
Cable Type USB-C cable -
FEATURES JBL TUNE 520BT Poly Savi 8240-M D2
Features Multipoint Pairing, VoiceAware -
Internet of Things (IoT) Compatible Yes -
Intelligent Assistant Google Assistant ready, Siri ready -
BATTERY AND CHARGING JBL TUNE 520BT Poly Savi 8240-M D2
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Capacity 450 mAh -
Battery Life 57 hour(s) -
Battery Life Details Continuous playback (with 5 min charge): up to 3 hours -
Charging Time 2 hour(s) -
WIRELESS LINK JBL TUNE 520BT Poly Savi 8240-M D2
Modulation Type GFSK, 8-DPSK, 4-DQPSK -
Radio Frequency Range 2.4 - 2.4835GHz -
OTHERS JBL TUNE 520BT Poly Savi 8240-M D2
Included Accessories Charging cable -
Other projects: