JBL Boombox 3 vs Marshall Stanmore III Bluetooth Speaker
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  JBL Boombox 3 |  Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Price | KSh 51,000 | KSh 56,000 |
| Battery | — | N/A — mains-powered product |
| Weight | — | 4.25 kg |
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Full specifications
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General
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Brand | JBL | Marshall |
| Model | Boombox 3 | Stanmore III Bluetooth Speaker |
| Type | Portable Bluetooth Speaker | Home Speaker |
| Color | — | Black, Cream, Brown |
Design
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Dimensions | — | 350 x 203 x 188 mm |
| Weight | — | 4.25 kg |
Battery & Charging
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Battery | — | N/A — mains-powered product |
Connectivity
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Wi-Fi | N/A — Bluetooth-only portable speaker | No |
| HDMI | N/A — portable speaker design | — |
| Microphone / Guitar Inputs | N/A — no microphone or guitar input | N/A - no microphone system |
| Bluetooth | — | Bluetooth 5.2 |
| Bluetooth Range | — | 10 m (30 ft) |
| Wired Inputs | — | RCA, 3.5mm AUX |
| App Support | — | Marshall Bluetooth app (iOS and Android); OTA software updates |
Features
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Voice Assistant | N/A — no built-in voice assistant | No |
| Lightshow | N/A — no party lightshow | N/A — no party lightshow |
| Party Features | N/A — not a party-speaker product | N/A — not a party-speaker product |
| Home Cinema Features | N/A — not a home-cinema speaker | N/A — not a home-cinema product |
| Special Features | — | Marshall Signature Sound; PVC-free build with 70% recycled plastic; Bluetooth LE Audio-ready; OTA software updates |
Power & Battery
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Power Source | Rechargeable battery / USB charging | Mains-powered (AC adapter included) |
| Battery Life | — | N/A — mains-powered product |
| Charging Time | — | N/A — mains-powered product |
| Fast Charging | — | N/A — mains-powered product |
| Charging Port | — | N/A — mains-powered product |
| Power Consumption | — | Network standby power consumption: No |
Design & Controls
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Placement / Mounting | Free-standing portable placement | Home speaker; Placement Correction in Marshall Bluetooth app |
| Controls | — | Analog bass, treble, and volume knobs |
| Water & Dust Resistance | — | No water-resistance rating |
| Materials | — | Wood frame with vegan leather covering, brass details |
What's in the Box
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Speaker / Soundbar | Boombox 3 | Stanmore III Bluetooth Speaker |
| Subwoofer | N/A — no subwoofer supplied | N/A — no subwoofer supplied |
| Remote Control | N/A — no remote control supplied | N/A — no remote control supplied |
| Power Cable | USB charging cable | Mains lead |
| Audio / HDMI Cable | N/A | — |
| Mounting Accessories | N/A — portable design | — |
| Other Accessories | N/A | N/A |
| Documentation | Quick Start Guide and safety documentation | Quick Start Guide and safety documentation |
Audio
| Specification | JBL Boombox 3 | Marshall Stanmore III Bluetooth Speaker |
|---|---|---|
| Speaker Configuration | — | 2-way stereo home speaker; bass-reflex cabinet |
| Drivers | — | 1 x woofer, 2 x outward-angled tweeters (2-way system) |
| Frequency Response | — | 45Hz - 20kHz |
| Total Power Output | — | Up to 80W Class D amplification |
| Maximum SPL | — | 97 dB @ 1 m |
| Amplifier | — | 1 x 50 W Class D woofer amplifier; 2 x 15 W Class D tweeter amplifiers |
| Audio Channels | — | Stereo |
| Sound Modes / EQ | — | Adjustable bass and treble; Dynamic Loudness; Placement Correction in Marshall Bluetooth app |
| Audio Features | — | Dynamic loudness, placement compensation via app |
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