Take the party anywhere with the Marshall Bromley 450 Bluetooth Party Speaker in Black & Brass, a powerful portable speaker designed to deliver immersive sound, integrated lighting, and extended battery life for both indoor and outdoor entertainment.
The Bromley 450 features True Stereophonic 360° sound, allowing music to travel in every direction so everyone can enjoy a consistent listening experience around the speaker. Its acoustic system combines two 6.5-inch woofers, four 2-inch full-range drivers, and two passive radiators, delivering powerful bass, detailed mids, and clear highs across a 40Hz–20kHz frequency range.
The built-in stage lighting system features three presets designed to bring extra atmosphere to parties and gatherings. The speaker also includes dedicated microphone and instrument inputs, making it suitable for karaoke, performances, announcements, or impromptu live sessions.
With 40+ hours of portable playtime, the Bromley 450 can keep the music going for extended events. Its rechargeable and replaceable LiFePO4 battery can provide up to 6 hours of playback from a 20-minute quick charge, while the speaker can also operate directly from AC power.
Designed for portability, the Bromley 450 features a built-in handle and four strap anchors. Its IP55-rated construction provides protection against dust and water splashes, making it suitable for parties at home, in the backyard, or outdoors.
Wireless connectivity comes through Bluetooth 5.3 with Auracast, with Bluetooth Multipoint support and a range of over 70 metres in an unobstructed environment. Wired connections include AUX, USB-C, RCA, and two XLR/6.35mm combo inputs for microphones and instruments.
Finished in Marshall's distinctive Black & Brass colourway, the Bromley 450 combines powerful 360° audio, party lighting, versatile connectivity, and Marshall's unmistakable design.
Key Features
• Marshall Bromley 450 Bluetooth party speaker
• Premium Black & Brass finish
• True Stereophonic 360° sound
• 40+ hours of portable playtime
• 2 × 6.5-inch woofers
• 4 × 2-inch full-range drivers
• 2 passive radiators
• Integrated stage lighting with 3 presets
• 180W total woofer amplification
• 220W total full-range amplification
• Bluetooth 5.3 with Auracast
• Bluetooth Multipoint connectivity
• Bluetooth range of over 70m in free field
• IP55 dust and water resistance
• Built-in carrying handle
• Replaceable LiFePO4 battery
• Fast charging – 20 minutes provides up to 6 hours of playtime
• Microphone and instrument inputs
• 2 × XLR/6.35mm combo inputs
• AUX 3.5mm input and output
• USB-C connectivity and charging output
• RCA input
• Marshall Bluetooth app compatibility
• Adjustable volume, bass and treble
• Dedicated microphone/instrument volume and effects controls
Product Specifications
• Brand: Marshall
• Model: Bromley 450
• Product Type: Portable Bluetooth Party Speaker
• Colour: Black & Brass
• Audio: Stereo
• Driver Type: Dynamic
• Drivers: 2 × 6.5-inch woofers + 4 × 2-inch full-range drivers + 2 passive radiators
• Frequency Range: 40Hz–20kHz
• Maximum Sound Pressure Level: 100dB @ 1m
• Woofer Amplification: 2 × 90W Class D
• Full-Range Amplification: 4 × 55W Class D
• Wireless Connectivity: Bluetooth 5.3 / Auracast
• Bluetooth Multipoint: Yes
• Bluetooth Range: >70m in free field
• Wired Connectivity: AUX 3.5mm / USB-C / RCA
• Mic/Instrument Inputs: 2 × XLR/6.35mm combo jacks
• Playtime: 40+ hours
• Quick Charge: 20 minutes provides up to 6 hours
• Full Charging Time: Approximately 3.5 hours
• Battery Type: Rechargeable, replaceable LiFePO4 (LFP)
• Water & Dust Resistance: IP55
• Weight: 12.32kg
• Dimensions: 366 × 261 × 492mm
• Power Input: 120W
• Mains Input: 100–240V, 50/60Hz
• USB-C Output: 5V / 3.0A
• Lighting: Integrated stage lights with 3 presets
• Compatible App: Marshall Bluetooth App
• Included: Speaker, Bromley battery, mains lead, quick-start guide and legal/safety information
Care Instructions
• Clean the speaker using a soft, dry cloth.
• Do not immerse the speaker in water.
• The IP55 rating provides protection against dust and water splashes, but the speaker is not designed for submersion.
• Keep charging and connection ports clean and dry.
• Avoid abrasive cleaners, solvents, and harsh chemicals.
• Store in a cool, dry environment when not in use.
• Use a compatible power source and charging cable.
• Allow the speaker to dry completely if exposed to water before connecting cables.
The Marshall Bromley 450 Bluetooth Party Speaker Black & Brass is built for serious parties, combining 360° True Stereophonic sound, 40+ hours of battery life, integrated stage lighting, IP55 protection, microphone and instrument inputs, and versatile Bluetooth and wired connectivity in a powerful portable package.
