JBL Free X vs. JBL Under Armour Project Rock True Wireless X

Headphones Comparison, Reviews and Tests

Side by side comparison and review of JBL Free X and JBL Under Armour Project Rock True Wireless X. 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

JBL Free X vs. JBL Under Armour Project Rock True Wireless X Comparison Chart
DESIGN AND DIMENSIONS JBL Free X JBL Under Armour Project Rock True Wireless X
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 99 g -
Colour Black Black
Protection - Waterproof, sweat-resistant, IPX7
Design - Sports
Recommended Use - Portable electronics
SOUND QUALITY JBL Free X JBL Under Armour Project Rock True Wireless X
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic -
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.2 Bluetooth 5.0 JBL Under Armour Project Rock True Wireless X have a more advanced version of Bluetooth than JBL Free X.
Bluetooth Profiles Hands-Free Profile (HFP), 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)
Noise Isolating - Yes JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function.
Sound Output Mode - Stereo
Frequency Response 10 - 22000 Hz 20 - 22000 Hz JBL Free X offer a larger frequency range than JBL Under Armour Project Rock True Wireless X.
Sensitivity - 96 dB/mW
Impedance - 14 Ohm
Max Sound Pressure - 96 dB
Diaphragm 5.6 mm 5.8 mm JBL Under Armour Project Rock True Wireless X have a thicker diaphragm than JBL Free X.
Features - TalkThru technology, JBL Charged Sound, Ambient Aware
MICROPHONE JBL Free X JBL Under Armour Project Rock True Wireless X
Form Factor Built-in Built-in
Sensitivity - -25 dBV/Pascal
CABLE JBL Free X JBL Under Armour Project Rock True Wireless X
Cable Type Micro-USB charge cable USB-C charge cable - detachable
FEATURES JBL Free X JBL Under Armour Project Rock True Wireless X
Features True wireless -
BATTERY AND CHARGING JBL Free X JBL Under Armour Project Rock True Wireless X
Battery Type Headphone battery rechargeable 2 x headphone battery rechargeable - lithium polymer
Battery Capacity - 120 mAh
Battery Life 4 hour(s) 10 hour(s) JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the JBL Free X.
Battery Life Details - Continuous talk: up to 10 hours
Continuous playback: up to 10 hours
Continuous playback (with included charging case): up to 50 hours
Charging Time 2 hour(s) 2 hour(s) The charging of both headphones last the same time.
Included Qty - 2
WIRELESS LINK JBL Free X JBL Under Armour Project Rock True Wireless X
Modulation Type GFSK, 8-DPSK, DQPSK -
Radio Frequency Range 2.402 - 2.480GHz -
OTHERS JBL Free X JBL Under Armour Project Rock True Wireless X
Included Accessories 3 pairs of ear tips (small, medium, large), charging case, 2 pairs of ear sleeves (medium, large) Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh)
Software Included - MapMyRun premium membership (12 months)
Compliant Standards - IPX7
Service & Support Limited warranty - 1 year -
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