Verdict: The Marshall Bromley 150 is a 200W portable party speaker that packs unusually deep, energetic bass, convincing 360-degree coverage, stage-style lighting and a rated 40-hour battery into a 13.9-pound (6.3kg) cube. Its premium construction, replaceable battery and replaceable parts help justify the $499.99 / £399.99 / AU$699 launch price, but the basic app, absent LDAC codec and missing RCA input make it a poor fit for buyers seeking maximum value or advanced control.
What the Marshall Bromley 150 is
The Bromley 150 is the smallest model in Marshall’s Bromley party-speaker line, scheduled for release in October 2026. Its cube-shaped cabinet uses faux leather, gold detailing, physical bass and treble controls, and theatrical LED lighting. A built-in handle makes it practical to carry between rooms, onto a patio or to a small gathering.
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At 13.9lb (6.3kg), it is portable within the large party-speaker category rather than genuinely lightweight. The enclosure is rated IP55, protecting against dust and water jets. That rating is suitable for outdoor use in ordinary weather, but it does not provide immersion protection.
Marshall Bromley 150 specifications
| Specification | Marshall Bromley 150 |
|---|---|
| Amplifier output | 200W |
| Drivers | One 6.5-inch woofer and two 2-inch full-range drivers |
| Low-frequency extension | Down to 42Hz |
| Coverage | Marshall True Stereophonic 360-degree output |
| Battery rating | Up to 40 hours |
| Weight | 13.9lb / 6.3kg |
| Water and dust resistance | IP55 |
| Wireless | Bluetooth 5.3 and Auracast multi-speaker pairing |
| Wired connections | USB-C, 3.5mm input/output, and two XLR/6.35mm combo jacks |
| Launch price | $499.99 / £399.99 / AU$699 |
Sound quality: bass is the main event
The Bromley 150’s 200W system produces forceful, controlled low end that reaches 42Hz. TechRadar senior reviews writer Harry Padoan described it as “the sort of bass that you feel in your soul.” The speaker delivers that impact without turning the entire presentation into a blur.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
True Stereophonic processing keeps bass and treble present from the sides and rear, so listeners do not need to stand directly in front of the cabinet. Vocals remain clear and the upper treble has enough energy for a party. The compromise is in the midrange: competing speakers at this price can reveal more texture, and guitars may not separate as distinctly.
There is no LDAC codec, so listeners who want a higher-resolution Bluetooth option must use another speaker. For mainstream streaming, Bluetooth 5.3 is still the practical connection.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Inputs and party features
The connection panel is more useful than that of many portable party speakers. You get Bluetooth 5.3, USB-C, 3.5mm input and output, plus two XLR/6.35mm combo jacks for microphones or instruments. Those combo inputs make the Bromley 150 suitable for announcements, simple live vocals or an instrument at a gathering.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsRCA is absent. DJs using a turntable, mixer or controller with RCA output may need an adapter or a different speaker, so check your source hardware before buying.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Auracast supports pairing compatible speakers, while the stage-style LEDs provide the visual centerpiece expected from a party model. The lighting contributes to the speaker’s statement design rather than functioning as a subtle status indicator.
Battery, durability and repairability
Marshall rates the battery for up to 40 hours. Actual runtime depends on volume, lighting and source use, but the rating gives the Bromley 150 an advantage for weekend events and extended outdoor sessions. The battery and multiple other parts are replaceable, a meaningful benefit for long-term ownership compared with sealed designs.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
IP55 covers dust and water jets, not submersion. Keep the speaker out of pools, standing water and heavy spray. If maximum weather protection is your priority, an IP68-rated alternative is better suited.
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The app is the weak point
The Marshall Bluetooth app handles Auracast setup, lets you assign the physical M-button and provides a power-off timer. It does not offer remote equalizer adjustment, nor does it provide controls for karaoke or instrument effects.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
That means frequent sound changes require reaching the speaker and using its physical bass and treble controls. Buyers who expect to tune a speaker from across a room should treat this limitation as a central consideration, not a minor software omission.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How it compares with the alternatives
| Priority | Bromley 150 | Sony ULT Tower 5 | JBL Xtreme 5 |
|---|---|---|---|
| Price position | $499.99 / £399.99 / AU$699 launch price | Lower than the Bromley 150 in the review comparison; exact figure not stated | Lower than the Bromley 150 in the review comparison; exact figure not stated |
| Size and portability | 13.9lb / 6.3kg cube with handle | Much larger and heavier | Lighter |
| Power | 200W | More powerful | Not stated |
| Battery | Rated up to 40 hours | Not stated | Shorter than the Bromley 150 |
| Protection | IP55 | Not stated | IP68 |
| Inputs | USB-C, 3.5mm in/out, two XLR/6.35mm combo jacks; no RCA | Not stated | Fewer inputs |
| App and sound controls | Basic app; physical bass and treble controls | Not stated | Not stated |
| Repairability | Battery and multiple parts replaceable | Not stated | Not stated |
The Sony ULT Tower 5 is the value-and-output choice if you can accommodate a substantially larger, heavier cabinet. The JBL Xtreme 5 costs less, weighs less and offers stronger IP68 protection, but gives up battery endurance and connection options. The Bromley 150 occupies the middle ground: more transportable than the tower, more feature-rich for microphones and instruments than the lighter rival, and styled as furniture as much as audio equipment.
Should you buy the Marshall Bromley 150?
Buy it if
- You want powerful, physical bass in a compact party-speaker format.
- You need sound that remains lively around the sides and rear of the cabinet.
- A 40-hour battery rating, built-in handle and replaceable parts matter to you.
- You value premium styling and statement lighting.
- You plan to connect microphones or instruments through XLR/6.35mm combo inputs.
Choose something else if
- You want the most power per dollar and have room for a much larger speaker.
- You need IP68-level ruggedness or protection against immersion.
- You require RCA for a DJ controller, turntable or mixer.
- You expect remote EQ, karaoke effects or instrument effects in the app.
- LDAC or highly detailed midrange reproduction is essential.
At its launch price, the Bromley 150 is buying a particular experience rather than the cheapest wattage: deep bass, 360-degree coverage, premium materials, lighting and long-term replaceability in a manageable cube. That package makes sense for style-conscious hosts and performers who will use the physical inputs. It is harder to justify for buyers focused on raw value, advanced app control or maximum water resistance.
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