Marshall Bromley 450 Powerful Portable Party Speaker Black and Brass

The Marshall Bromley 450 Powerful Portable Party Speaker – Black and Brass is designed to bring powerful sound, immersive listening and an energetic atmosphere to parties, celebrations, outdoor gatherings and home entertainment. Combining Marshall’s iconic styling with modern audio technology, this portable party speaker delivers rich bass, clear midrange vocals and detailed high frequencies. Its premium Black and Brass finish, distinctive grille and durable construction make it an attractive addition to any entertainment setup.
Featuring True Stereophonic 360° sound, the Marshall Bromley 450 distributes music in multiple directions, allowing listeners to enjoy an immersive stereo experience from different positions around the speaker. Its advanced audio system includes two 6.5-inch woofers, four 2-inch full-range drivers and two passive radiators, producing a powerful, well-balanced sound profile. With a frequency response of 40Hz to 20kHz and a maximum sound pressure level of 100dB at one metre, it is built to energise both indoor and outdoor gatherings.
Designed for extended listening sessions, the Bromley 450 offers over 40 hours of portable playback at moderate volume levels. Its rechargeable and replaceable lithium iron phosphate (LFP) battery supports long-term usability and convenient battery replacement. When you need extra power quickly, just 20 minutes of charging can provide up to six hours of playback under specified conditions. The battery can also be removed and charged separately, while the speaker can operate from mains power.
The integrated stage-inspired lighting adds visual appeal to your parties, with three lighting presets to help create the right atmosphere. Whether you are hosting a birthday celebration, enjoying music with friends or setting up a backyard gathering, the lighting effects complement the speaker’s powerful sound and distinctive Marshall design.
For versatile wireless listening, the speaker features Bluetooth 5.3 with Auracast support, allowing you to connect compatible devices and stream music conveniently. Bluetooth multipoint connectivity lets you connect two devices, making it easier to switch between audio sources. The speaker also includes wired audio connections such as 3.5mm AUX input and output, USB-C and RCA. Two XLR/6.35mm combination inputs allow compatible microphones and musical instruments to be connected, making it suitable for karaoke, announcements and informal live performances.
Built with portability in mind, the Marshall Bromley 450 features an integrated carrying handle and four strap attachment points, making it easier to transport between rooms, gardens, parties and outdoor events. Its IP55-rated dust and water resistance helps protect it against dust and water jets, making it suitable for a wider range of environments. For best results, avoid submerging the speaker or exposing it to conditions beyond its rated protection.
The speaker also features accessible physical controls for power, source selection, playback, volume, bass, treble, lighting and connected microphone or instrument inputs. Its compatibility with the Marshall Bluetooth app adds convenient control and support options. With dimensions of approximately 366 × 261 × 492 mm and a weight of around 12.32 kg, the Bromley 450 balances substantial audio performance with a more manageable portable design.
Combining powerful stereo sound, long battery life, integrated lighting, flexible connectivity and a durable Black and Brass finish, the Marshall Bromley 450 Portable Party Speaker is an excellent choice for music lovers seeking an engaging sound experience for parties, home entertainment and outdoor occasions.