JBL PartyBox 330 vs Marshall Bromley 450 comparison

Show Only Differences Highlight Differences	JBL PartyBox 330	Marshall Bromley 450
key specs
Speaker Type	Tower Speaker	-
Features	Portable	Portable
Colour	Black	Black
Connection	Wireless	-
Power Output	280W	-
general
Brand	JBL	Marshall
Model	PartyBox 330	Bromley 450
Release date	October 6, 2026	March 17, 2026
Model Name	JBL PartyBox 330	Bromley 450
Speaker Type	Tower Speaker	-
Wired/Wireless	Wireless	-
Features	Portable	Portable
Colour	Black	Black
Power Output	280W	-
Frequency Response	40Hz–20kHz (-6dB)	40Hz to 20kHz
Outdoor Usage	-	Yes
dimensions
Width	33.4cm	261
Height	66.3cm	492
Depth	37.5cm	366
Cable Length	2m	-
Tweeter Diameter	25mm	-
product details
Battery	JBL Battery 400, Li-ion	over 40 hours, rechargeable, replaceable, LFP battery (LiFePO4)
Battery Capacity	68Wh, equivalent to 7.2V / 9,444mAh	-
Charging Time	3 hours	3.5 hours
Bluetooth	Yes	Yes
USB Ports	USB Type-C	Type C, Charge out 5V, 3.0A
Connector Type	USB-C, optical input, microphone input, guitar input	-
Driver Type	Dual 6.5-inch woofers + twin 25mm PEN dome tweeters	Dynamic
Bluetooth Range	-	70m
Headphone Jack	-	Yes
audio features
Signal to Noise Ratio	>80dB	-
Tweeter Support	Yes	-
Other Audio Features	AI Sound Boost, Smart EQ mode, JBL sound, Auracast, USB-C lossless audio	-
Audio Codec	-	SBC, AAC-mpeg 2, LC3
Amplifier	-	2 x 90W Class D amplifiers for the woofers, 4 x 55W Class D amplifiers for the full-range drivers
other details
Chassis Material	Post-consumer recycled plastic	-
Technology Used	AI Sound Boost, Smart EQ, Auracast	-
Driver Size	Dual 6.5-inch woofers + twin 25mm PEN dome tweeters	2 x 6.5-inch 40W woofers, 4 x 2-inch 6W full-range drivers
Controls	JBL One App and speaker controls	-
Other Features	Up to 18 hours of playtime, 10-minute fast charging for 2 additional hours, replaceable spare battery support, IPX4 splash resistance, adaptive lightshow, telescopic handle, wide wheels, JBL EasySing Mics compatibility	-

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