JBL
JBL Go 5
A palm-sized speaker with edge lighting and tap-to-pair stereo for two Go 5s. It weighs 8.11 oz and plays up to 8 hours, or 10 with Playtime Boost.
Bettr Score
60.6/100
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Portable Speakers
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JBL Go 5 vs Marshall Kilburn III
The short answer
JBL Go 5 wins this comparison. Choose it if a lower purchase price is your priority. JBL Go 5 has the lower recorded reference price: $59.95 versus $379.99, a $320.04 difference.
Marshall
Marshall Kilburn III
Long weekends between charges are its main draw: 50+ hours of playtime, plus phone charging. Bass and treble knobs give hands-on control, though the 6.17 lb body is substantial.
Bettr Score
58.8/100
Side-by-side specifications
| JBL Go 5 | Specification | Marshall Kilburn III |
|---|---|---|
$59.95 ✓ Winner | Reference price | $379.99 |
10 hours | Advertised battery life | 50 hours ✓ Winner |
8.11 oz ✓ Winner | Weight | 6.17 lb |
IP68 | Ingress protectionPersonal preference | IP54 |
5 ✓ Winner | Durability tier | 2 |
6.0 | Bluetooth versionPersonal preference | 5.3 |
No | Can charge another device | Yes ✓ Winner |
Yes ✓ Winner | USB audio input | No |
Yes | Auracast or compatible broadcast pairingTie | Yes |
No | Floats in waterTie | No |
No | SpeakerphoneTie | No |
The buying advice
Which speaker fits you?
Who should choose JBL Go 5?
Choose JBL Go 5 if you want less weight in your bag. JBL Go 5 weighs 8.11 oz versus 6.17 lb — 5.67 lb less to carry.
Who should choose Marshall Kilburn III?
Choose Marshall Kilburn III if a longer advertised playtime matters. Marshall Kilburn III advertises up to 50 hours, versus up to 10 hours with Playtime Boost for JBL Go 5.
The main tradeoff
JBL Go 5 weighs 8.11 oz versus 6.17 lb — 5.67 lb less to carry. Marshall Kilburn III advertises up to 50 hours, versus up to 10 hours with Playtime Boost for JBL Go 5. The recorded reference-price difference is $320.04.
Sources and score details
- Marshall Kilburn III gains 10.0 score points on phone-charging support (10% weight).
- JBL Go 5 gains 8.0 score points on recorded reference price (20% weight).
- Marshall Kilburn III gains 7.8 score points on advertised battery life (20% weight).
Less to carry
JBL Go 5 weighs 8.11 oz versus 6.17 lb — 5.67 lb less to carry.
Longer advertised playtime
Marshall Kilburn III advertises up to 50 hours, versus up to 10 hours with Playtime Boost for JBL Go 5.
Charge your phone
Marshall Kilburn III can charge another device from its battery; the other speaker’s verified specification says it cannot. Charging a phone uses some of the speaker’s battery.
Wired USB audio
JBL Go 5 supports USB audio input; the other speaker’s verified specification says it does not. Check source-device compatibility.
People's Pick
Which one would you choose?
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Where to buy JBL Go 5
eBay — New
Affiliate link
In stock · checked Oct 26, 2026
Price needs rechecking. Confirm at the retailer.
$54.98
Item + shipping · before tax
$49.99 + $4.99 shipping
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
Where to buy Marshall Kilburn III
eBay — New
Affiliate link
In stock · checked Oct 30, 2026
Price needs rechecking. Confirm at the retailer.
$349.99
Item + shipping · before tax
$349.99 + $0.00 shipping
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn