Product comparison · 2 headphones

JBL Live Flex 4 vs JBL QUANTUM 520

28specifications compared
14differ
14identical
56known for one product only

Key differences

Wearing style
- Live Flex 4:In-ear
- QUANTUM 520:Head-band
Recommended usage
- Live Flex 4:Calls/Music/Sport/Everyday
- QUANTUM 520:Gaming
Product colour
- Live Flex 4:Blue
- QUANTUM 520:Black
Control type
- Live Flex 4:Touch
- QUANTUM 520:Buttons, Rotary
Bluetooth profiles
- Live Flex 4:A2DP, AVRCP, HFP
- QUANTUM 520:A2DP, HFP
Bluetooth version
- Live Flex 4:6.0
- QUANTUM 520:5.4
Ear coupling
- Live Flex 4:Intraaural
- QUANTUM 520:Circumaural
Impedance
- Live Flex 4:16 Ω
- QUANTUM 520:32 Ω

Side by side

Differences highlightedShow differences only

Comparison of Live Flex 4, QUANTUM 520
84 specifications	A JBL Live Flex 4 View product	B JBL QUANTUM 520 View product
Performance4 differ
Product type	Headset	Headset
Wearing styleDiffers	In-ear	Head-band
Recommended usageDiffers	Calls/Music/Sport/Everyday	Gaming
Headset type	Binaural	Binaural
Product colourDiffers	Blue	Black
Control unit type	On-ear control unit	On-ear control unit
Control typeDiffers	Touch	Buttons, Rotary
Protection featuresKnown for one	Dust resistant, Water resistant	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP54	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Music playbackKnown for one	Yes	Unknown — not stated by the source
Recommended age groupKnown for one	Adult	Unknown — not stated by the source
Suggested genderKnown for one	Boy/Girl	Unknown — not stated by the source
Suitable for indoor useKnown for one	Yes	Unknown — not stated by the source
Suitable for outdoor useKnown for one	Yes	Unknown — not stated by the source
Volume controlKnown for one	Unknown — not stated by the source	Rotary
Cable lengthKnown for one	Unknown — not stated by the source	1.5 m
Ports & interfaces2 differ
Connectivity technology	Wireless	Wireless
Bluetooth	Yes	Yes
Bluetooth profilesDiffers	A2DP, AVRCP, HFP	A2DP, HFP
Bluetooth versionDiffers	6.0	5.4
Frequency band	2.4 - 2.4835 GHz	2.4 - 2.4835 GHz
USB connectorKnown for one	Unknown — not stated by the source	USB Type-C
Headphones4 differ
Ear couplingDiffers	Intraaural	Circumaural
Intraaural headphones typeKnown for one	Earbuds	Unknown — not stated by the source
Headphone frequency	20 - 40000 Hz	20 - 40000 Hz
ImpedanceDiffers	16 Ω	32 Ω
Headphone sensitivityDiffers	98 dB	90 dB
Driver unitDiffers	1.2 cm	5 cm
Noise cancelingKnown for one	Yes	Unknown — not stated by the source
Maximum input powerKnown for one	Unknown — not stated by the source	30 mW
Driver typeKnown for one	Unknown — not stated by the source	Dynamic
Microphone3 differ
Microphone typeDiffers	Built-in	Boom
Microphone sensitivityDiffers	-38 dB	-40 dB
Number of microphonesDiffers	6	1
Microphone frequencyKnown for one	Unknown — not stated by the source	100 - 8000 Hz
Detachable microphoneKnown for one	Unknown — not stated by the source	Yes
Microphone direction typeKnown for one	Unknown — not stated by the source	Cardioid
Battery1 differ
Battery operated	Yes	Yes
Battery type	Built-in battery	Built-in battery
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Input current (earpieces)Known for one	3.85 A	Unknown — not stated by the source
Input voltage (charging case)Known for one	3.85 V	Unknown — not stated by the source
Input voltage (earpieces)Known for one	3.85 V	Unknown — not stated by the source
Left earpiece battery capacityKnown for one	44 mAh	Unknown — not stated by the source
Right earpiece battery capacityKnown for one	44 mAh	Unknown — not stated by the source
Battery capacity (charging case)Known for one	580 mAh	Unknown — not stated by the source
Battery technology (charging case)Known for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Continuous audio playback time (ANC off)Known for one	10 h	Unknown — not stated by the source
Continuous audio playback time (ANC on)Known for one	7 h	Unknown — not stated by the source
Talk timeDiffers	3.5 h	30 h
Battery charge indicatorKnown for one	Yes	Unknown — not stated by the source
Battery recharge timeKnown for one	2 h	Unknown — not stated by the source
Charging sourceKnown for one	USB	Unknown — not stated by the source
Fast chargingKnown for one	Yes	Unknown — not stated by the source
Talk time (ANC off)Known for one	4 h	Unknown — not stated by the source
Talk time (ANC on)Known for one	3.5 h	Unknown — not stated by the source
Battery capacityKnown for one	Unknown — not stated by the source	500 mAh
Battery voltageKnown for one	Unknown — not stated by the source	3.7 V
Weight & dimensionsidentical
Left earpiece weightKnown for one	4.5 g	Unknown — not stated by the source
Right earpiece weightKnown for one	4.5 g	Unknown — not stated by the source
Charging case weightKnown for one	67.1 g	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	322.8 g
Packaging dataidentical
Package typeKnown for one	Hanging box	Unknown — not stated by the source
Packaging contentidentical
Charging caseKnown for one	Yes	Unknown — not stated by the source
Charging case capacityKnown for one	580 mAh	Unknown — not stated by the source
Charging case connector typeKnown for one	USB Type-C	Unknown — not stated by the source
Charging case typeKnown for one	Wired	Unknown — not stated by the source
Built-in display (charging case)Known for one	Yes	Unknown — not stated by the source
AC adapter included	No	No
Quick start guide	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Safety sheetKnown for one	Yes	Unknown — not stated by the source
Accessories included in setKnown for one	4 sizes silicone eartips	Unknown — not stated by the source
Ear padsKnown for one	Yes	Unknown — not stated by the source
Quantity	1	1
Charging standKnown for one	Unknown — not stated by the source	No
Cables includedKnown for one	Unknown — not stated by the source	USB Type-C
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Poweridentical
USB Power Delivery (USB PD)Known for one	No	Unknown — not stated by the source
USB Type-C charging port	Yes	Yes
USB Type-C required charging power (max)Known for one	5 W	Unknown — not stated by the source
USB Type-C required charging power (min)Known for one	2.5 W	Unknown — not stated by the source
Supplier featuresidentical
Charging timeKnown for one	Unknown — not stated by the source	180 min

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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