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Marshall Bromley 450
JBL PartyBox 1000
JBL PartyBox 720
JBL Bar 1000MK2| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Brand | Marshall | JBL | JBL | JBL |
| Model | Bromley 450 | PartyBox 1000 | PartyBox 720 | Bar 1000MK2 |
| Type | Portable Party Speaker | Party Speaker | Portable Party Speaker | Soundbar with Subwoofer |
| Color | Black and Brass | Not specified | Not specified | Black |
| Announced | Not specified | Not specified | Not specified | 2025 |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Speaker Configuration | Sealed with passive radiators; True Stereophonic 360° sound | Compression driver, dual midrange drivers and down-firing woofer | Dual woofers and dual tweeters | 7.1.4 channel |
| Drivers | 2 x 6.5-inch 40 W woofers; 4 x 2-inch 6 W full-range drivers; 2 passive radiators | Compression driver; two 7-inch midrange drivers; 12-inch down-firing woofer | Two 243 mm woofers; two 30 mm dome tweeters | Soundbar: 6 × (44 × 80) mm racetrack drivers + 2 × 1 in (25 mm) tweeters + 2 × 2.75 in (70 mm) up-firing full-range drivers; surrounds: 2 × (44 × 90) mm racetrack drivers + 2 × 2.75 in (70 mm) up-firing full-range drivers; subwoofer: 10 in (260 mm) |
| Frequency Response | 40 Hz-20 kHz | 30 Hz–20 kHz (-6 dB) | 32 Hz–20 kHz | 33 Hz – 20 kHz (-6 dB) |
| Total Power Output | 400 W total Class D amplification | 1100 W maximum | 800 W RMS | 960 W maximum; 480 W RMS at 1% THD |
| Maximum SPL | 100 dB @ 1 m | Not specified | Not specified | Not specified |
| Amplifier | 2 x 90 W Class D woofer amplifiers; 4 x 55 W Class D full-range amplifiers | Not specified | Not specified | Soundbar 500 W; surrounds 2 × 80 W; subwoofer 300 W; max @ THD 1% |
| Audio Channels | Stereo | Not specified | Not specified | 7.1.4 |
| Sound Modes / EQ | Equaliser; adjustable bass and treble | Bass Boost | EQ adjustment in JBL PartyBox app | JBL One equaliser; PureVoice 2.0; automatic room calibration |
| Audio Features | Marshall Signature Sound; True Stereophonic 360° sound; sealed cabinet with passive radiators; integrated stage-inspired lightshow | Not specified | JBL Pro Sound; USB-C digital audio | Dolby Atmos; DTS:X; MultiBeam 3.0; PureVoice 2.0; SmartDetails |
| Signal-to-Noise Ratio | Not specified | Not specified | Over 80 dB | Not specified |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Bluetooth | Bluetooth 5.3; Auracast | Not specified | 5.4 | Bluetooth 5.3 |
| Bluetooth Range | >70 m (229 ft) in free field | Not specified | Not specified | Not specified |
| Bluetooth Profiles / Codecs | SBC; AAC MPEG-2; LC3 | Not specified | A2DP 1.4 and AVRCP 1.6 | A2DP v1.3; AVRCP v1.5 |
| Wi-Fi | Bluetooth-only portable speaker | Not specified | Not specified | IEEE 802.11 a/b/g/n/ac/ax on 2.4/5 GHz |
| Wired Inputs | 3.5 mm AUX input/output; USB-C; RCA | RCA left/right; 3.5 mm AUX; microphone/guitar input | 3.5 mm auxiliary input; microphone, guitar and line inputs | Optical audio; HDMI |
| HDMI | Portable speaker design | Not specified | Not specified | 3 HDMI inputs; 1 HDMI eARC output; HDCP 2.3; HDR10+ and Dolby Vision pass-through |
| USB | USB-C charge out, 5 V/3.0 A | USB music playback and external-device charging | USB-C audio input; MP3, WAV and FLAC playback; USB-C PD output up to 30 W | USB-A; 5 V DC / 0.5 A |
| Microphone / Guitar Inputs | 2 x XLR/6.3 mm combo jacks | Not specified | Two XLR inputs | Built-in sound-calibration microphone; no microphone or guitar input |
| Multi-Speaker / Stereo Pairing | Auracast; 3.5 mm AUX output | TWS with two speakers; RCA wired daisy chain | Auracast; two PartyBox 720 speakers for stereo | JBL One whole-home audio with compatible Bar MK2 and Cove devices |
| App Support | Marshall Bluetooth app | Not specified | JBL PartyBox | JBL ONE app |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Power Source | Replaceable LFP battery; 100–240 V AC, 50/60 Hz | 100–240 V AC | 100–240 V AC; optional compatible replacement batteries | 100–240 V AC, 50/60 Hz mains; rechargeable lithium batteries in detachable surround speakers |
| Battery Life | 40+ hours | Mains-powered product | Up to 15 hours with compatible batteries installed | Detachable surrounds: up to 10 hours |
| Charging Time | 3.5 hours to full recharge | Mains-powered product | 3 hours with speaker off | Detachable surrounds: approximately 4 hours |
| Fast Charging | 20 minutes gives 6 hours of playtime | Mains-powered product | 10 minutes for up to 2 hours with compatible batteries | Not specified |
| Charging Port | AC mains input (120 W); USB-C charge-out | Mains-powered product | AC power input | Dock on soundbar or USB-C on each detachable surround |
| Power Consumption | 120 W power input | Not specified | Not specified | Networked standby less than 2.0 W |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| 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 | Not specified | Not specified | Soundbar volume and source buttons; remote control; JBL One app |
| Water & Dust Resistance | IP55 | Not specified | IPX4 | Not specified |
| Placement / Mounting | Free-standing portable placement | Handle and concealed wheels | Integrated handle and sturdy wheels | Tabletop or wall mount; detachable surrounds can be placed behind the listener |
| Materials | Not specified | Not specified | Post-consumer recycled plastic | Not specified |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Voice Assistant | No built-in voice assistant | Not specified | Not specified | Works with voice-assistant-enabled speakers |
| Lightshow | Yes — integrated party lightshow | Yes — integrated party lightshow | Stars, trails and strobe effects synchronized to music | No party lightshow |
| Party Features | Integrated stage-inspired lightshow; 2 x XLR/6.3 mm mic/instrument inputs; handle and four strap anchors | DJ pad; recording and looping; Air Gesture Wristband | Microphone, guitar and DJ-console inputs; Auracast multi-speaker connection | Not a party-speaker product |
| Home Cinema Features | Not a home-cinema speaker | Not a home-cinema product | Not specified | Dolby Atmos; DTS:X; MultiBeam 3.0; PureVoice 2.0; detachable wireless surround sound; easy sound calibration |
| Special Features | Replaceable LFP battery; Auracast; IP55; integrated stage-inspired lightshow; Marshall Bluetooth app | Not specified | Not specified | Broadcasting; Night Listening; JBL One app; Wi-Fi streaming |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Speaker / Soundbar | Bromley 450 | PartyBox 1000 | JBL PartyBox 720 | Main soundbar; two detachable wireless surrounds |
| Subwoofer | No subwoofer supplied | No subwoofer supplied | Not specified | 1 × wireless subwoofer |
| Remote Control | No remote control supplied | No remote control supplied | Not specified | Remote control with 2 batteries |
| Power Cable | Mains lead | AC power cord | 2 m AC power cord | AC power cords |
| Audio / HDMI Cable | Not applicable | Not specified | Not specified | 1 × HDMI cable |
| Mounting Accessories | Portable design | Not specified | Not specified | 2 × L-shaped wall-mount brackets for main bar; 2 × U-shaped brackets for surrounds; screws; wall-mount template |
| Other Accessories | Not applicable | Air Gesture Wristband | Not specified | 4 × side caps |
| Documentation | Quick Start Guide and safety documentation | Quick Start Guide and safety documentation | Quick-start guide, safety instructions and warranty card | Quick start guide; safety instruction; warranty card |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Dimensions | 366 x 492 x 261 mm (W x H x D) | 397 × 390 × 1050 mm (W × D × H) | 416 x 942 x 406 mm | Total soundbar: 1203 × 52 × 128 mm; main bar: 854 × 52 × 128 mm; each surround: 189 × 52 × 128 mm; subwoofer: 325 × 400 × 325 mm |
| Weight | 12.32 kg | 34.7 kg | 31 kg | Main soundbar: 5.5 kg; each surround: 0.9 kg; subwoofer: 9.1 kg |
| Specification | Marshall Bromley 450 | JBL PartyBox 1000 | JBL PartyBox 720 | JBL Bar 1000MK2 |
|---|---|---|---|---|
| Battery | Rechargeable, replaceable LFP (LiFePO4) battery | Mains-powered product | Two JBL Battery 600 lithium-ion packs; 99.02 Wh (21.6 V / 4584 mAh) each | Detachable surround speakers: 3.635 V, 6600 mAh lithium battery |
Marshall Bromley 450 specifications
| Brand | Marshall |
|---|---|
| Model | Bromley 450 |
| Type | Portable Party Speaker |
| Color | Black and Brass |
| Speaker Configuration | Sealed with passive radiators; True Stereophonic 360° sound |
|---|---|
| Drivers | 2 x 6.5-inch 40 W woofers; 4 x 2-inch 6 W full-range drivers; 2 passive radiators |
| Frequency Response | 40 Hz-20 kHz |
| Total Power Output | 400 W total Class D amplification |
| 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 |
| Sound Modes / EQ | Equaliser; adjustable bass and treble |
| Audio Features | Marshall Signature Sound; True Stereophonic 360° sound; sealed cabinet with passive radiators; integrated stage-inspired lightshow |
| Bluetooth | Bluetooth 5.3; Auracast |
|---|---|
| Bluetooth Range | >70 m (229 ft) in free field |
| Bluetooth Profiles / Codecs | SBC; AAC MPEG-2; LC3 |
| Wired Inputs | 3.5 mm AUX input/output; USB-C; RCA |
| USB | USB-C charge out, 5 V/3.0 A |
| Microphone / Guitar Inputs | 2 x XLR/6.3 mm combo jacks |
| Multi-Speaker / Stereo Pairing | Auracast; 3.5 mm AUX output |
| App Support | Marshall Bluetooth app |
| Power Source | Replaceable LFP battery; 100–240 V AC, 50/60 Hz |
|---|---|
| Battery | Rechargeable, replaceable LFP (LiFePO4) battery |
| Battery Life | 40+ hours |
| Charging Time | 3.5 hours to full recharge |
| Fast Charging | 20 minutes gives 6 hours of playtime |
| Charging Port | AC mains input (120 W); USB-C charge-out |
| Power Consumption | 120 W power input |
| 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 |
|---|---|
| Water & Dust Resistance | IP55 |
| Dimensions | 366 x 492 x 261 mm (W x H x D) |
| Weight | 12.32 kg |
| Placement / Mounting | Free-standing portable placement |
| Lightshow | Yes — integrated party lightshow |
|---|---|
| Party Features | Integrated stage-inspired lightshow; 2 x XLR/6.3 mm mic/instrument inputs; handle and four strap anchors |
| Special Features | Replaceable LFP battery; Auracast; IP55; integrated stage-inspired lightshow; Marshall Bluetooth app |
| Speaker / Soundbar | Bromley 450 |
|---|---|
| Power Cable | Mains lead |
| Documentation | Quick Start Guide and safety documentation |
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