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Speaker comparison

JBL PartyBox 720 vs Marshall Bromley 450

Compare sound, battery life, durability and connections.

Compared products
01Selected
JBL PartyBox 720

JBL PartyBox 720

  • 31,000 g.
  • 4,584 mAh battery capacity.
  • 99.02 Wh of stored energy.
  • Bluetooth 5.4 connection.
  • Up to 15 hours per charge.
KSh 117,500In Stock
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02
Marshall Bromley 450

Marshall Bromley 450

  • 12,320 g.
  • IP55 rating.
  • Rechargeable, replaceable LFP (LiFePO4) battery.
  • 400 W total Class D amplification.
  • Bluetooth 5.3.
KSh 126,000In Stock
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2 spaces available

Harman Kardon Onyx Studio 9KSh 28,000
Anker Soundcore Select 4 GoKSh 3,240
JBL Boombox 4KSh 62,500
JBL GripKSh 13,800
Harman Kardon Aura Studio 5KSh 38,500
Xiaomi Sound Outdoor 30WKSh 8,250
JBL Bar 2.1 Deep Bass MK2 | 300WKSh 44,000
2 of 4 products

Our quick verdict

Choose the JBL PartyBox 720 if you want a lower price (KSh 8,500 less). Choose the Marshall Bromley 450 if you want longer battery life (more than 40 hours), IP55 water resistance and a lighter build (12.32 kg).

Weight

JBL PartyBox 720
31 kg
Marshall Bromley 450
12.32 kg

Water resistance

JBL PartyBox 720
IPX4 rating
Marshall Bromley 450
IP55 rating

Output power

JBL PartyBox 720
800 W rated output
Marshall Bromley 450
400 W total Class D amplification

Battery capacity

JBL PartyBox 720
4,584 mAh battery
Marshall Bromley 450
Rechargeable, replaceable LFP (LiFePO4) battery

Connections

JBL PartyBox 720
Bluetooth 5.4
Marshall Bromley 450
Bluetooth 5.3

Key differences

The main differences to help you choose.

JBL PartyBox 720

  • Lower price: KSh 117,500 (vs KSh 126,000).
  • Newer Bluetooth 5.4 (vs 5.3).

Marshall Bromley 450

  • Longer rated battery life: more than 40 hours (vs 15 hours).
  • IP55 water and dust resistance (vs IPX4).
  • Lighter: 12.32 kg (vs 31 kg).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityJBL PartyBox 720Marshall Bromley 450
Weight31 kg12.32 kg
Battery capacity4,584 mAh batteryRechargeable, replaceable LFP (LiFePO4) battery
Battery lifeUp to 15 hours per charge40+ hours
Water resistanceIPX4 water and dust resistanceIP55 water and dust resistance
Charging10 minutes for up to 2 hours with compatible batteries20 minutes gives 6 hours of playtime
SoftwareJBL PartyBoxWorks with the Marshall Bluetooth app

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
BrandJBLMarshall
ModelPartyBox 720Bromley 450
TypePortable Party SpeakerPortable Party Speaker
Color—Black and Brass

Design

Design specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Dimensions416 x 942 x 406 mm366 x 492 x 261 mm (W x H x D)
Weight31 kg12.32 kg

Battery & Charging

Battery & Charging specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
BatteryTwo JBL Battery 600 lithium-ion packs; 99.02 Wh (21.6 V / 4584 mAh) eachRechargeable, replaceable LFP (LiFePO4) battery

Connectivity

Connectivity specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Bluetooth5.4Bluetooth 5.3; Auracast
Bluetooth Profiles / CodecsA2DP 1.4 and AVRCP 1.6SBC; AAC MPEG-2; LC3
Wired Inputs3.5 mm auxiliary input; microphone, guitar and line inputs3.5 mm AUX input/output; USB-C; RCA
USBUSB-C audio input; MP3, WAV and FLAC playback; USB-C PD output up to 30 WUSB-C charge out, 5 V/3.0 A
Microphone / Guitar InputsTwo XLR inputs2 x XLR/6.3 mm combo jacks
Multi-Speaker / Stereo PairingAuracast; two PartyBox 720 speakers for stereoAuracast; 3.5 mm AUX output
App SupportJBL PartyBoxMarshall Bluetooth app
Bluetooth Range—>70 m (229 ft) in free field
Wi-Fi—Bluetooth-only portable speaker
HDMI—Portable speaker design

Features

Features specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
LightshowStars, trails and strobe effects synchronized to musicYes — integrated party lightshow
Party FeaturesMicrophone, guitar and DJ-console inputs; Auracast multi-speaker connectionIntegrated stage-inspired lightshow; 2 x XLR/6.3 mm mic/instrument inputs; handle and four strap anchors
Voice Assistant—No built-in voice assistant
Home Cinema Features—Not a home-cinema speaker
Special Features—Replaceable LFP battery; Auracast; IP55; integrated stage-inspired lightshow; Marshall Bluetooth app

Audio

Audio specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Speaker ConfigurationDual woofers and dual tweetersSealed with passive radiators; True Stereophonic 360° sound
DriversTwo 243 mm woofers; two 30 mm dome tweeters2 x 6.5-inch 40 W woofers; 4 x 2-inch 6 W full-range drivers; 2 passive radiators
Frequency Response32 Hz–20 kHz40 Hz-20 kHz
Total Power Output800 W RMS400 W total Class D amplification
Signal-to-Noise RatioOver 80 dB—
Sound Modes / EQEQ adjustment in JBL PartyBox appEqualiser; adjustable bass and treble
Audio FeaturesJBL Pro Sound; USB-C digital audioMarshall Signature Sound; True Stereophonic 360° sound; sealed cabinet with passive radiators; integrated stage-inspired lightshow
Maximum SPL—100 dB @ 1 m
Amplifier—2 x 90 W Class D woofer amplifiers; 4 x 55 W Class D full-range amplifiers
Audio Channels—Stereo

Power & Battery

Power & Battery specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Power Source100–240 V AC; optional compatible replacement batteriesReplaceable LFP battery; 100–240 V AC, 50/60 Hz
Battery LifeUp to 15 hours with compatible batteries installed40+ hours
Charging Time3 hours with speaker off3.5 hours to full recharge
Fast Charging10 minutes for up to 2 hours with compatible batteries20 minutes gives 6 hours of playtime
Charging PortAC power inputAC mains input (120 W); USB-C charge-out
Power Consumption—120 W power input

Design & Controls

Design & Controls specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Water & Dust ResistanceIPX4IP55
MaterialsPost-consumer recycled plastic—
Placement / MountingIntegrated handle and sturdy wheelsFree-standing portable placement
Controls—Power switch; source selector; media control; volume; bass; treble; M-button; input 1 volume; input 2 volume; input 1/2 effects; light mode; battery indicator

What's in the Box

What's in the Box specifications comparison
SpecificationJBL PartyBox 720Marshall Bromley 450
Speaker / SoundbarJBL PartyBox 720Bromley 450
Power Cable2 m AC power cordMains lead
DocumentationQuick-start guide, safety instructions and warranty cardQuick Start Guide and safety documentation
Subwoofer—No subwoofer supplied
Remote Control—No remote control supplied
Audio / HDMI Cable—Not applicable
Mounting Accessories—Portable design
Other Accessories——

Similarities

  • Both charge over USB-C.
  • Both connect over Bluetooth.
  • Both go up to 240 V (power source).
  • Same type: Portable Party Speaker.

In summary

Choose Marshall Bromley 450 for longer rated battery life and IP55 water and dust resistance; JBL PartyBox 720 is the cheaper choice if you do not need longer rated battery life.

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In-stock alternatives

Marshall Heston 60 Soundbar Black & CreamFor JBL PartyBox 720Marshall Heston 60 Soundbar Black & CreamView product ↗JBL PartyBox 1000For JBL PartyBox 720JBL PartyBox 1000View product ↗JBL Bar 1000MK2For Marshall Bromley 450JBL Bar 1000MK2View product ↗JBL Bar 1300 | 1170WFor Marshall Bromley 450JBL Bar 1300 | 1170WView product ↗

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