Short answer: the Bose Soundlink Flex 2nd gen for better sound quality, the JBL Charge Essential for the lower price. The Bose Soundlink Flex 2nd gen ranks #33 of 136 medium speakers at $159. The JBL Charge Essential ranks #68 at $73.99, $85.01 cheaper.
What the Bose Soundlink Flex 2nd gen offers: Pretty much identical sounding to the 1st gen Watch for: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.
What the JBL Charge Essential offers: Doubles as a power bank. IPX7 rated. Supports true wireless stereo pairing with a second Charge Essential. Watch for: Less clarity than the Flip 4, highs rolled off. An overpriced rebranded Charge 3 for people who want stereo sound.
Buy the Bose Soundlink Flex 2nd gen if sound quality matters more than the price. Buy the JBL Charge Essential if the price matters more than sound quality.
Battery life favors the JBL Charge Essential: rated for 20 hours against 12 hours for the Bose Soundlink Flex 2nd gen.
Specifications Side By Side
| Bose Soundlink Flex 2nd gen | JBL Charge Essential | |
|---|---|---|
| Price | $159.00 | $73.99 |
| Ranked | #33 of 136 in Medium Size Portable Bluetooth Speakers | #68 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built in Microphone | Yes | - |
| EQ | Yes (3 band) | No |
| IP Rating | IP67 | IPX7 |
| Party Mode | Yes (Bose Party mode) | Yes (Connect+ up to 100 speakers) |
| Power Input | USB-C | Micro USB |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | - |
| Weight | 1.3 lbs / 586 g | 1.7 lbs / 770 g |
| Bluetooth Version | 5.3 | 4.1 |
| Dimensions | 7.9" x 3.5" x 2" (201 x 90 x 52 mm) | 8.4" x 3.5" x 3.4" (213 x 89 x 87 mm) |
| Aux Input | No | - |
| Drivers | 60mm full-range driver with passive radiators | 2x 50mm fullrange |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive | - |
| Digital Aux Input | No | No |
| Power Bank | - | Yes (USB-A, 5V/2A) |
| Frequency Response | - | 65Hz - 20kHz (Manufacturer specified) |
| Output Power | - | 20W RMS |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Bose Soundlink Flex vs Sony ULT Field 3
- Bose Soundlink Flex vs JBL Charge 2
- Soundcore Glow vs JBL Charge 2
- JBL Charge Essential vs Marshall Emberton II
- JBL Charge Essential vs Ultimate Ears Megaboom 3
Prices on this page were last checked August 27, 2026 at 10:09 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Bose Soundlink Flex 2nd gen: $159.00 Amazon eBay
Pros: Pretty much identical sounding to the 1st gen
Cons: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.
Full Bose Soundlink Flex 2nd gen review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.9" x 3.5" x 2" (201 x 90 x 52 mm) |
| Drivers | 60mm full-range driver with passive radiators |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Bose Party mode) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.3 lbs / 586 g |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex More from Oluv’Sone →
- Oluv Patreon: Bose Soundlink Flex 2nd gen - sound demo
- Tô Thái Trí Hùng: Unbox & Sound Test - Bose Soundlink Flex 2
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen & Soundcore Motion 300 sound test
- Alan Ross: Hall of Fame classic vs latest Bose tech! More from alanrossreviews →
- CEONTHEMAKING: Bose Soundlink Flex 2nd Gen VS Marshall Emberton III - What’s NEW??
- Alan Ross - The Anti Shill!: Small speaker, mighty sound, The Flex gen 2 shatters physics!
- Reddit Search for Bose Soundlink Flex 2nd gen Review
- Head-to-Head Comparisons
- Bose Soundlink Flex 2nd gen vs Bose Soundlink Flex
- Bose Soundlink Flex 2nd gen vs Tribit Xsound Plus 2
- Bose Soundlink Flex 2nd gen vs JBL Charge Essential 2
- Bose Soundlink Flex 2nd gen vs Teufel Rockster XS
- Bose Soundlink Flex 2nd gen vs Soundcore Boom 3i
- Bose Soundlink Flex 2nd gen vs Soundcore Motion 100
- Bose Soundlink Flex 2nd gen vs JBL Charge 5
- Bose Soundlink Flex 2nd gen vs Tribit Stormbox Pro
- See all 82 comparisons
JBL Charge Essential: $73.99 Amazon eBay
Pros: Doubles as a power bank. IPX7 rated. Supports true wireless stereo pairing with a second Charge Essential.
Cons: Less clarity than the Flip 4, highs rolled off. An overpriced rebranded Charge 3 for people who want stereo sound.
Full JBL Charge Essential review and specifications →
| App | No |
|---|---|
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Version | 4.1 |
| Digital Aux Input | No |
| Dimensions | 8.4" x 3.5" x 3.4" (213 x 89 x 87 mm) |
| Drivers | 2x 50mm fullrange |
| EQ | No |
| Frequency Response | 65Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Output Power | 20W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Power Input | Micro USB |
| Weight | 1.7 lbs / 770 g |
- Links
- Reviews, Comparisons and Sound Samples
- Flossy Carter: JBL Charge 5 vs JBL Charge 4 vs JBL Charge Essential More from FlossyCarter →
- Techder Audios: JBL EXTREME 3 VS JBL CHARGE ESSENTIAL More from techderaudios →
- The Tech Files: JBL CHARGE ESSENTIAL VS CHARGE ESSENTIAL 2 COMPARATIVO AMBIENTE EXTERNO
- Reddit Search for JBL Charge Essential Review
- Head-to-Head Comparisons
- JBL Charge Essential vs JBL Charge 3
- JBL Charge Essential vs JBL Charge 2
- JBL Charge Essential vs JBL Flip Essential
- JBL Charge Essential vs Klipsch Nashville
- JBL Charge Essential vs Sonos Roam 2
- JBL Charge Essential vs Sony XB23
- JBL Charge Essential vs Sonos Roam
- JBL Charge Essential vs JBL Flip 4
- See all 74 comparisons


