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JBL Reflect Flow True Wireless Headphones Review

Tested using Methodology v1.4
Reviewed Dec 13, 2019 at 10:37 am
JBL Reflect Flow True Wireless Picture
7.1
Mixed Usage
7.2
Neutral Sound
7.7
Commute/Travel
8.1
Sports/Fitness
6.9
Office
5.2
Wireless Gaming
5.1
Wired Gaming
6.3
Phone Calls
Type In-ear
Enclosure Closed-Back
Wireless Truly Wireless
Noise Cancelling No
Mic Yes
Transducer Dynamic

The JBL Reflect Flow True Wireless are a decent pair of earbuds that are well-built and have a well-balanced sound profile that should suit most genres. They're a bit bulky, but with proper fit, they're stable and shouldn't cause any issues when using them for sports. They also have very good passive noise isolation and don't leak very much, so you should be able to pump up the volume safely without bothering those around you. Unfortunately, they're not compatible with JBL's mobile app, so you can't customize the sound. Overall, they're still a great pair of headphones to take to the gym.

Our Verdict

7.1 Mixed Usage

Decent mixed usage. Although the JBL Reflect Flow are fairly versatile, they're on the bulky side and may not fit everyone. They're very good for short sessions at the gym, but they may be uncomfortable to wear for an extended period of time. The noise isolation is good for blocking out speech, making them great for office use, but for commuting, they aren't as good at isolating you from the rumbles of bus engines.

Pros
  • Well-balanced sound profile.
  • Good build quality.
  • Good for sports.
Cons
  • Bulky design.
  • No app support for customization.
  • Uncomfortable for small ears.
7.2 Neutral Sound

Decent for neutral sound. The Reflect Flow sound good, but it's more of a V-shaped sound profile, with a bit more bass and a slight dip in the mid-range, which causes the vocals and lead instruments to sound further back in the mix.

7.7 Commute/Travel

Good for commuting. The Reflect Flow are very portable and have very good noise isolation, but they can become uncomfortable if worn for a long time. They perform well to block out ambient chatter, but won't be able to isolate you from noise in the lower range, such as airplane and bus engines.

8.1 Sports/Fitness

Very good for sports. The Reflect Flow have a very stable fit due to their size and the stability fins. They won't fall out when engaged in vigorous exercise and they're rated IPX7 for water and sweat resistance, although we don't currently test for this.

6.9 Office

Acceptable for office use. The noise isolation is very good at blocking out chatter in the office and the battery life should last an entire work day, but they may be too uncomfortable to wear for such a long period.

5.2 Wireless Gaming

These headphones lack low latency codecs; as such, there's too much latency to recommend them for gaming.

5.1 Wired Gaming

The JBL Reflect Flow can't be used wired.

6.3 Phone Calls

Mediocre for phone calls. They perform okay in a quiet environment and the speech is understandable, but the microphone will struggle to separate speech from background noise.

  • 7.1 Mixed Usage
  • 7.2 Neutral Sound
  • 7.7 Commute/Travel
  • 8.1 Sports/Fitness
  • 6.9 Office
  • 5.2 Wireless Gaming
  • 5.1 Wired Gaming
  • 6.3 Phone Calls
  1. Update 2/6/2020: Converted to Test Bench 1.4.

Test Results

perceptual testing image
Design
Design
Style

These earbuds have a pretty sleek look with their brushed metallic sides. Although they come in different colors, only the top button is different. They do protrude from the ear quite a bit, but this design actually makes them easier to maneuver, especially when removing the headphones.

6.5
Design
Comfort
Weight 0.04 lbs
Clamping Force
0.0 lbs

The Reflect Flow are rather bulky and may not fit small ears, but for those with bigger ears, they're decently comfortable. However, as with most in-ears, they do need to be inserted into the ear canal, making them a bit uncomfortable for long listening sessions. When using the controls on the earbuds, which are physical buttons, it causes the earbuds to be pushed further in and can be painful. If you want a much more comfortable pair of truly wireless in-ears, check out the JBL LIVE 300TWS Truly Wireless.

5.2
Design
Controls
OS Compatibility
Not OS specific
Ease Of Use Okay
Feedback Mediocre
Call/Music Control Yes
Volume Control No
Microphone Control No
Channel Mixing
No
Noise Cancelling Control No
Talk-Through
On/Off
Additional Controls Voice Assistant

There are controls on the earbuds to perform a few basic functions; unfortunately, there are no audio cues except when turning the earbuds on and off, as well as when pairing and using the talk-through function. The buttons also feel mushy.

9.1
Design
Breathability
Avg.Temp.Difference 0.9 C

As these are earbuds, you shouldn't have any issues with heat, which makes them suitable for sports.

9.3
Design
Portability
L 1.5 "
W 1.3 "
H 1.1 "
Volume 2.1 Cu. Inches
Transmitter Required No

Portability is excellent, as both the earbuds and the case are small. The case should fit into any pocket or bag easily.

7.5
Design
Case
Type Hard case
L 3.2 "
W 1.4 "
H 1.5 "
Volume 6.7 Cu. Inches

The charging case is good. It feels well-made and should be quite durable. It can only be charged through the micro-USB port on the back and there's an indicator light to show the current battery level.

8.0
Design
Build Quality

The build quality of the Reflect Flow is good. They feel substantial without being heavy. Both the case and the earbuds are made of good quality plastic and should be able to survive a few accidental drops without any issues. They're rated IPX7 for water and sweat resistance, though we don't currently test for this.

8.0
Design
Stability

Due to the bulkiness of the earbuds, it's difficult to get a proper seal. But once they're in, they're very stable thanks to the stability fins.

Design
Headshots 1
Design
Headshots 2
Design
Top
Design
In The Box

  • JBL Reflect Flow headphones
  • 3 stability fins
  • 3 tip sizes
  • Charging case
  • Micro-USB charging cable
  • Manuals

Sound
Sound
Sound Profile
Bass Amount
2.7 db
Treble Amount
-1.45 db

The Reflect Flow follow a fairly typical V-Shaped sound. The bass has a lot of thump, while the mids are slightly recessed. There's a small spike in the treble range, but they're in no way sharp or sibilant.

9.7
Sound
Frequency Response Consistency
Avg. Std. Deviation
0.07 dB

The frequency response consistency of the JBL Reflect Flow is outstanding. With a proper fit, these headphones should sound the same every time without any deviation from the default sound profile.

Sound
Raw Frequency Response
8.4
Sound
Bass Accuracy
Std. Err.
2.27 dB
Low-Frequency Extension
10.15 Hz
Low-Bass
3.2 dB
Mid-Bass
2.9 dB
High-Bass
0.82 dB

The bass accuracy is excellent. There's a bit of overemphasis in the sub-bass, which gives a good amount of thump and rumble. There's also a bit of emphasis in the mid-bass, but the high-bass is nearly flawless, which results in a clear sound without any boominess or clutter.

9.1
Sound
Mid Accuracy
Std. Err.
1.26 dB
Low-Mid
-0.04 dB
Mid-Mid
-1.87 dB
High-Mid
-0.02 dB

The mid-range accuracy is exceptional. It's flawless in the low-mid, but there's a slight dip in the mid-mid and the high-mid, pushing vocals and lead instruments back a bit.

7.4
Sound
Treble Accuracy
Std. Err.
3.46 dB
Low-Treble
-1.05 dB
Mid-Treble
-2.89 dB
High-Treble
-4.47 dB

The treble accuracy of the JBL Reflect Flow is very good. It's a bit uneven but well-balanced overall. There's an underemphasis in the mid-treble, which can affect the detail and brightness of vocals and leads. The 5dB jump at 10kHz can result in a bit of sharpness in tracks that are already bright or poorly recorded.

8.4
Sound
Peaks/Dips
Peaks
0.94 db
Dips
1.2 db

The dip in the mids causes vocals and lead instruments to sound farther away with less emphasis, while the 10kHz peak adds a bit of brightness to the sound, but it's not enough to make the headphones sound sharp or sibilant.

9.2
Sound
Imaging
Weighted Group Delay
0.16
Weighted Amplitude Mismatch
0.74
Weighted Frequency Mismatch
0.67
Weighted Phase Mismatch
1.15

The imaging of the Reflect Flow is excellent. The weighted group delay is so low that it's virtually imperceptible. This means that the bass is tight and fast, while the treble remains transparent. Both drivers are also well-matched, ensuring an accurate stereo imaging.

0.5
Sound
Passive Soundstage
PRTF Accuracy (Std. Dev.)
N/A
PRTF Size (Avg.)
N/A
PRTF Distance
N/A
Openness
2.1
Acoustic Space Excitation
0.2

Unfortunately, there isn't really any soundstage to speak of, as in-ears bypass the pinna (outer ear) and are unable to create an out-of-head, speaker-like soundstage. Also, closed-back headphones aren't capable of creating an open sound the way that open-back headphones can, such as the Google Pixel Buds.

0
Sound
Virtual Soundstage
Head Modeling
No
Speaker Modeling
No
Room Ambience
No
Head Tracking
No
Virtual Surround
No App
7.8
Sound
Weighted Harmonic Distortion
WHD @ 90
0.231
WHD @ 100
0.125

The weighted harmonic distortion of the Reflect Flow is very good, resulting in a clean audio reproduction. There's a slight bump in the mid-treble, but shouldn't be audible for most people.

Sound
Test Settings
Firmware
Unknown
Power
On
Connection
Bluetooth 4.2
Codec
SBC, 16-bit, 48kHz
EQ
No EQ
ANC
No ANC
Tip/Pad
Silicone (small)
Microphone
Integrated
Isolation
7.9
Isolation
Noise Isolation
Isolation Audio
Overall Attenuation
-22.6 dB
Bass
-10.45 dB
Mid
-20.22 dB
Treble
-37.97 dB

The noise isolation on the JBL Reflect Flow is very good. Their mid-range performance is excellent, good for blocking out speech, but falls a bit short in the bass range, where the rumbles of airplane and bus engines reside. However, the performance in the treble range is simply outstanding, such as noise created by air conditioners.

9.8
Isolation
Leakage
Leakage Audio
Overall Leakage @ 1ft
22.04 dB

The leakage performance is superb. There's virtually no leakage at all, so you should be able to turn up the volume without bothering those around you.

Microphone
Microphone
Microphone Style
Integrated
Yes
In-Line
No
Boom
No
Detachable Boom
No
5.5
Microphone
Recording Quality
Recorded Speech
LFE
522.85 Hz
FR Std. Dev.
3.53 dB
HFE
3272.31 Hz
Weighted THD
4.663
Gain
10.54 dB

The recording quality of the microphone is sub-par. Speech sounds muffled, but should still be comprehensible.

6.1
Microphone
Noise Handling
Speech + Pink Noise
Speech + Subway Noise
SpNR
13.65 dB

The noise handling of the JBL Reflect Flow's microphone is mediocre. It's fine in quiet environments, but will struggle to separate your voice from background noise.

Active Features
6.1
Active Features
Battery
Battery Type
Rechargable
Continuous Battery Life
8.7 hrs
Additional Charges
2.0
Total Battery Life
26.1 hrs
Charge Time
2.1 hrs
Power-Saving Feature
No
Audio While Charging
No
Passive Playback
No
Charging Port micro-USB

Although the Reflect Flow were advertised to have 10 hours of continuous playback time on a single charge, they fell a bit short in our tests. The total battery life is also lower than the advertised 30 hours. There aren't any power saving features either, so you'll need to manually turn them off.

0
Active Features
App Support
App Name No App
iOS No
Android No
macOS No
Windows No
Equalizer
No
ANC Control
No
Mic Control No
Room Effects
No
Playback Control
No
Button Mapping No
Surround Support
No

Unfortunately, the JBL Headphones App doesn't support the JBL Reflect Flow, which is disappointing, as the app provides a good amount of options to tune the sound to suit your taste.

Connectivity
6.8
Connectivity
Bluetooth
Bluetooth Version
5.0
Multi-Device Pairing
No
NFC Pairing
No
Line Of Sight Range
206 ft
PC Latency (SBC)
304 ms
PC Latency (aptX)
N/A
PC Latency (aptX HD)
N/A
PC Latency (aptX-LL)
N/A
iOS Latency
285 ms
Android Latency
80 ms

These headphones are connected through Bluetooth. While the connection range is good, there's too much latency to recommend them for watching videos or for gaming. That said, your results may vary.

0
Connectivity
Non-Bluetooth Wireless
Non-BT Line Of Sight Range
N/A
Non-BT Latency
N/A

The JBL Reflect Flow can only be used through Bluetooth.

0
Connectivity
Wired
Analog Audio
No
USB Audio
No
Detachable No
Length N/A
Connection No Wired Option
Analog/USB Audio Latency
N/A

As these are truly wireless headphones, they can't be used wired. The case is charged via a micro-USB port located on the back of the charging case.

Connectivity
PC / PS4 Compatibility
PC/PS4 Analog
No
PC/PS4 Wired USB
No
PC/PS4 Non-BT Wireless
No

Thes JBL Reflect Flow can be used with a PC if it's Bluetooth compatible or has a USB dongle, but latency may be an issue when watching videos or playing video games. Unfortunately, they're not compatible with PS4.

Connectivity
Xbox One Compatibility
Xbox One Analog
No
Xbox One Wired USB
No
Xbox One Non-BT Wireless
No

These headphones are Bluetooth only and aren't compatible with Xbox One.

2.2
Connectivity
Base/Dock
Type
Charging Case
USB Input
No
Line In
No
Line Out
No
Optical Input
No
RCA Input
No
Dock Charging
Yes
Power Supply
USB

The charging case is well-built. It charges via a micro-USB port located on the back of the case. There's also an indicator light below the charging port that indicates current battery level.

Compared to other headphones

Comparison picture

The JBL Reflect Flow are pretty basic truly wireless headphones when compared to other headphones of this type. They lack higher end features such as active noise cancelling and customization through a mobile app, but for those looking for a pair to take to the gym, they perform very well. They have a stable fit and shouldn't fall out during exercise. If you're looking for a more versatile pair with more features, see our recommendations for the best truly wireless earbuds, the best wireless earbuds, and the best noise cancelling earbuds and in-ears.

Jabra Elite 75t Truly Wireless

The JBL Reflect Flow and the Jabra Elite 75t both perform quite well overall, but the Jabra have a couple of advantages. They're more comfortable, have better controls and are quite customizable too. The JBL isolate a lot more noise though, so you might prefer them for commuting.

Jabra Elite 65t Truly Wireless

The JBL Reflect Flow True Wireless are marginally better than the Jabra Elite 65t Truly Wireless. They have similar performance when it comes to noise isolation; however, their sound profiles are quite different, with the Elite 65t having less low-bass and a sharp treble, which can make them sound sibilant. On the upside, Jabra has a mobile companion app that has a good amount of customization options to tune the sound to your taste. Because Jabra doesn't make use of stability fins, it may be harder to get a proper fit. The battery life is also shorter on the Elite 65t, but they take less time to charge and have an auto-off feature.

Bose SoundSport Free Truly Wireless

The JBL Reflect Flow True Wireless are better headphones than the Bose SoundSport Free Truly Wireless. The JBL have much better noise isolation than the Bose, which are semi-open headphones that let you hear your surroundings, making them great for outdoor runners. The battery life of the Bose is significantly worse, but they have an auto-off feature to help you conserve battery. They do sound good, though, suitable for most genres and don't have any hint of sharpness or sibilance in the treble.

Sony WF-1000XM3 Truly Wireless

The Sony WF-1000XM3 and the JBL Reflect Flow have very similar performance, however, the Sonys are more expensive, due to added features such as active noise cancelling, and tons of customization options through their mobile companion app. Battery life on the Sony is not as long on a single charge, but they charge faster, and the earbuds have an auto-off feature.

Samsung Galaxy Buds+ Truly Wireless

The Samsung Galaxy Buds+ Truly Wireless are better truly wireless headphones than the JBL Reflect Flow True Wireless. The Samsung are more comfortable, have an incredibly neutral sound profile, and have a better performing integrated microphone. They also have a longer continuous battery life, even though they offer only one additional charge in their case when compared to the JBL's two additional charges, and have a companion app that has EQ presets. The JBL, on the other hand, also have a very neutral sound profile, they feel slightly better built, and isolate a bit more background noise than the Samsung.

Jabra Elite Active 65t Truly Wireless

The Jabra Elite Active 65t Truly Wireless have very similar performance to the JBL Reflect Flow True Wireless. They're a slight improvement over the regular 65t, but they have a better build quality. They're bulkier than the Reflect Flow and may not fit everyone. The overall sound lacks a bit of thump in the bass and the treble can be quite sharp and piercing. However, they're very consistent in their sound reproduction, provided that you're able to get a proper fit.

Samsung Galaxy Buds Truly Wireless

The Samsung Galaxy Buds Truly Wireless are slightly better than the JBL Reflect Flow True Wireless. They're much more comfortable to wear due to their light weight, but their noise isolation isn't as good, especially in the bass range. The Galaxy Buds also sound very different, with a fairly light bass, overemphasized mids and a sharp treble. Fortunately, Samsung has a mobile companion app that lets you tune the sound, albeit the options are limited to a few presets.

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JBL Reflect Flow True Wireless Price

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