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Speaker comparison

Soundcore Rave 3S vs Marshall Kilburn III

Compare sound, battery life, durability and connections.

Compared products
01Selected
Soundcore Rave 3S

Soundcore Rave 3S

  • About 10,200 g.
  • 4,900 mAh battery capacity.
  • Bluetooth 5.3 connection.
  • Works with the Soundcore app.
  • Up to 12 hours per charge.
KSh 45,670In Stock
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02
Marshall Kilburn III

Marshall Kilburn III

  • 2,800 g.
  • IP54 rating.
  • Rechargeable, replaceable Li-ion battery.
  • 30 W wired charging.
  • 50 W total amplification.
KSh 49,000In Stock
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Razer Leviathan V2 Gaming Soundbar With SubwooferKSh 46,500
JBL PartyBox On The GoKSh 49,000
JBL PartyBox 110KSh 48,000
JBL Boombox 3KSh 49,500
JBL Authentics 300KSh 45,000
JBL Partybox Encore 2KSh 46,500
JBL PartyBox Encore Essential 2KSh 43,500
2 of 4 products

Our quick verdict

The Marshall Kilburn III is the stronger choice: it lasts longer between charges (more than 50 hours), has better water and dust protection (IP54) and is lighter (2.8 kg), while the Soundcore Rave 3S only has a longer range (up to 50 m).

Weight

Soundcore Rave 3S
About 10,200 g
Marshall Kilburn III
2.8 kg

Output power

Soundcore Rave 3S
Up to 200W
Marshall Kilburn III
50 W total amplification

Battery capacity

Soundcore Rave 3S
4,900 mAh battery
Marshall Kilburn III
Rechargeable, replaceable Li-ion battery

Software

Soundcore Rave 3S
Works with the Soundcore app
Marshall Kilburn III
Works with the Marshall Bluetooth app

Water resistance

Soundcore Rave 3S
IPX4 water and dust resistance
Marshall Kilburn III
IP54 water and dust resistance

Key differences

The main differences to help you choose.

Soundcore Rave 3S

  • Longer range: up to 50 m (vs 10 m).
  • Power source: Built-in rechargeable battery.

Marshall Kilburn III

  • Longer rated battery life: more than 50 hours (vs 12 hours).
  • IP54 water and dust resistance (vs IPX4).
  • Lighter: 2.8 kg (vs about 10.2 kg).
  • Power source: Rechargeable battery / USB charging.

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
PrioritySoundcore Rave 3SMarshall Kilburn III
WeightAbout 10.2 kg2.8 kg
Battery capacity4,900 mAh batteryRechargeable, replaceable Li-ion battery
ConnectionsBluetooth 5.3Bluetooth 5.3
SoftwareWorks with the Soundcore appWorks with the Marshall Bluetooth app
Battery lifeUp to 12 hours per charge50+ hours
Water resistanceIPX4 water and dust resistanceIP54 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
BrandSoundcoreMarshall
ModelA31A3012Kilburn III
AnnouncedMay 2025—
TypePortable Party SpeakerPortable Bluetooth Speaker
ColorBlackBlack and Brass, Cream, Brown, Pitch Black

Design

Design specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
DimensionsApproximately 300 × 280 × 504mm273 x 169 x 150 mm (W x H x D)
WeightApproximately 10.2kg including two microphones2.8 kg

Battery & Charging

Battery & Charging specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
Battery4900mAh / 7.3VRechargeable, replaceable Li-ion battery

Connectivity

Connectivity specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
BluetoothBluetooth 5.3Bluetooth 5.3; Auracast
Bluetooth RangeUp to 50m under suitable conditions; obstacles and interference reduce range10 m (32.8 ft)
Bluetooth Profiles / CodecsSBC and AACSBC; LC3; MPEG-2 AAC
Wi-FiNot supported; Bluetooth audioBluetooth-only portable speaker
Wired Inputs3.5mm AUX input; dedicated 6.35mm microphone/guitar input with selector3.5 mm AUX input
HDMINot supportedPortable speaker design
USBUSB-C chargingUSB-C charging and power-bank port
Microphone / Guitar InputsTwo included wireless microphones; 6.35mm wired microphone/guitar input; gain and wired volume controlsNo built-in microphone
Multi-Speaker / Stereo PairingTWS stereo with another Rave 3S; Auracast group playback; incompatible with PartyCast; wireless microphones pair to host onlyAuracast
App Supportsoundcore app for EQ, vocal effects, reverb, lighting, firmware and automatic power-off settingsMarshall Bluetooth app

Features

Features specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
Voice AssistantNo standalone voice-assistant system specifiedNo built-in voice assistant
LightshowBeat-synchronised integrated lighting; button and app controls; can be switched offNo party lightshow
Party FeaturesDual wireless karaoke microphones; AI Vocal Removal; reverb; Auracast and TWS; app EQ and lightingNot a party-speaker product
Home Cinema FeaturesTV audio through compatible AUX or Bluetooth connection; no HDMINot a home-cinema speaker
Special FeaturesAutomatic power-off settings; app firmware updates; microphone volume and original vocal level controlsTrue Stereophonic; Bluetooth Auracast; charging bank; replaceable battery; Marshall Bluetooth app

Audio

Audio specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
Speaker ConfigurationOne woofer and three full-range driversActive stereo loudspeaker with bass-reflex system; True Stereophonic 360° sound
Drivers1 × 6.5-inch woofer and 3 × 2.5-inch full-range drivers1 x 4-inch woofer; 2 x 2-inch full-range speakers
Frequency Response40Hz–20kHz45 Hz-20 kHz
Total Power OutputUp to 200W50 W total amplification (30 W woofer + 2 x 10 W full-range)
Audio ChannelsSingle speaker; left and right stereo with two Rave 3S units; three or more linked units play monoStereo
Sound Modes / EQBassUp; app EQ presets and customised EQ; adjustable vocal reverbAdjustable bass and treble; Dynamic Loudness
Audio FeaturesAI Vocal Removal with adjustable original vocal level; dual wireless microphones; vocal reverbTrue Stereophonic 360° sound; active stereo loudspeaker; bass-reflex system; charging bank
Maximum SPL—91 dB SPL @ 1 m
Amplifier—1 x 30 W Class D woofer amplifier; 2 x 10 W Class D full-range amplifiers

Power & Battery

Power & Battery specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
Power SourceBuilt-in rechargeable battery; USB-C charging at 5V 3ARechargeable battery / USB charging
Battery LifeUp to 12h at 50% volume with BassUp and lights off50+ hours
Charging PortUSB-CUSB-C (9 V/3 A, 5 V/3 A)
Charging Time—3 hours to full recharge with a 30 W USB-C PD charger
Fast Charging—20 minutes gives 8 hours of playtime with a 30 W USB-C PD charger

Design & Controls

Design & Controls specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
ControlsPower, volume, Bluetooth, playback, track selection, AI Vocal Removal, Auracast, lights and BassUp; reverb knob; rear wired volume and gain controlsBass; treble; volume; on/off; media jog; M-button; Bluetooth button
Water & Dust ResistanceIPX4 splash resistance on speaker body only; wireless microphones are not waterproofIP54
Placement / MountingPortable upright placement with integrated carrying handleFree-standing portable placement
Materials—38% of the total product is recycled

What's in the Box

What's in the Box specifications comparison
SpecificationSoundcore Rave 3SMarshall Kilburn III
Speaker / SoundbarSoundcore Rave 3SKilburn III
SubwooferNo separate subwoofer suppliedNo subwoofer supplied
Power CableUSB-C to USB-C cable; wall charger not includedUSB-C to USB-C charging cable
Audio / HDMI CableNo AUX, guitar or HDMI cable suppliedNot applicable
Mounting AccessoriesNo mounting kit supplied; integrated carrying handlePortable design
Other AccessoriesTwo wireless microphones and four AA batteries—
DocumentationQuick Start GuideQuick Start Guide and safety documentation
Remote Control—No remote control supplied

Similarities

  • Both use Bluetooth 5.3.
  • Both work with a companion app.
  • Both charge over USB-C.
  • Both connect over Bluetooth.

In summary

For most buyers the Marshall Kilburn III is the better buy; the Soundcore Rave 3S makes sense if you want a longer range.

Back to compared products ↑

In-stock alternatives

JBL Authentics 300For Soundcore Rave 3SJBL Authentics 300View product ↗JBL Partybox Encore 2For Soundcore Rave 3SJBL Partybox Encore 2View product ↗JBL PartyBox On The GoFor Marshall Kilburn IIIJBL PartyBox On The GoView product ↗JBL Boombox 3For Marshall Kilburn IIIJBL Boombox 3View product ↗

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