JBL PartyBox Encore Essential 2 vs Marshall Kilburn III
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JBL PartyBox On The GoKSh 49,000.00
JBL PartyBox On-The-Go EssentialKSh 39,500.00
JBL Bar 2.1 Deep Bass MK2 | 300WKSh 44,000.00
Sony HT-S500RF | 1000WKSh 50,000.00
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  JBL PartyBox Encore Essential 2 |  Marshall Kilburn III |
|---|---|---|
| Price | KSh 43,500.00 | KSh 49,000 |
| Battery | Li-ion 17.28 Wh | Rechargeable, replaceable Li-ion battery |
| Weight | 6.9 kg | 2.8 kg |
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Full specifications
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General
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Brand | JBL | Marshall |
| Model | PartyBox Encore Essential 2 | Kilburn III |
| Type | Portable Party Speaker | Portable Party Speaker |
| Color | — | Black and Brass, Cream, Brown, Pitch Black |
Design
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Dimensions | 19.5 x 31.5 x 30 cm | 273 x 169 x 150 mm (W x H x D) |
| Weight | 6.9 kg | 2.8 kg |
Battery & Charging
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Battery | Li-ion 17.28 Wh | Rechargeable, replaceable Li-ion battery |
Connectivity
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Bluetooth | 5.4 | Bluetooth 5.3; Auracast |
| Bluetooth Profiles / Codecs | A2DP V1.4, AVRCP V1.6 | SBC; LC3; MPEG-2 AAC |
| Wi-Fi | N/A — Bluetooth-only portable speaker | N/A — Bluetooth-only portable speaker |
| Wired Inputs | USB-C, AUX | 3.5 mm AUX input |
| HDMI | N/A — portable speaker design | N/A — portable speaker design |
| USB | Bluetooth, USB-C, AUX, TWS/Auracast | USB-C charging and power-bank port |
| Bluetooth Range | — | 10 m (32.8 ft) |
| Microphone / Guitar Inputs | — | No built-in microphone |
| App Support | — | Marshall Bluetooth app |
Features
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Voice Assistant | N/A — no built-in voice assistant | N/A — no built-in voice assistant |
| Lightshow | Yes — integrated party lightshow | Yes — integrated party lightshow |
| Home Cinema Features | N/A — not a home-cinema speaker | N/A — not a home-cinema speaker |
| Special Features | AI Sound Boost, Auracast pairing, LED light show, JBL PartyBox app | True Stereophonic; Bluetooth Auracast; charging bank; replaceable battery; Marshall Bluetooth app |
| Party Features | — | N/A - not a party-speaker product |
Audio
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Drivers | 5.25-inch woofer, 2 x 1.75-inch tweeters | 1 x 4-inch woofer; 2 x 2-inch full-range speakers |
| Frequency Response | 50Hz - 20kHz | 45 Hz-20 kHz |
| Total Power Output | 100W RMS | 50 W total amplification (30 W woofer + 2 x 10 W full-range) |
| Signal-to-Noise Ratio | >80 dB | — |
| Speaker Configuration | — | Active stereo loudspeaker with bass-reflex system; True Stereophonic 360° sound |
| Maximum SPL | — | 91 dB SPL @ 1 m |
| Amplifier | — | 1 x 30 W Class D woofer amplifier; 2 x 10 W Class D full-range amplifiers |
| Audio Channels | — | Stereo |
| Sound Modes / EQ | — | Adjustable bass and treble; Dynamic Loudness |
| Audio Features | — | True Stereophonic 360° sound; active stereo loudspeaker; bass-reflex system; charging bank |
Power & Battery
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Power Source | Rechargeable battery / USB charging | Rechargeable battery / USB charging |
| Battery Life | Up to 15 hours | 50+ hours |
| Charging Time | 3.5 hours via USB-C | 3 hours to full recharge with a 30 W USB-C PD charger |
| Fast Charging | — | 20 minutes gives 8 hours of playtime with a 30 W USB-C PD charger |
| Charging Port | — | USB-C (9 V/3 A, 5 V/3 A) |
Design & Controls
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Water & Dust Resistance | IPX4 splashproof | IP54 |
| Materials | Recycled plastic with fabric grille | 38% of the total product is recycled |
| Placement / Mounting | Free-standing portable placement | Free-standing portable placement |
| Controls | — | Bass; treble; volume; on/off; media jog; M-button; Bluetooth button |
What's in the Box
| Specification | JBL PartyBox Encore Essential 2 | Marshall Kilburn III |
|---|---|---|
| Speaker / Soundbar | PartyBox Encore Essential 2 | Kilburn III |
| 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 | USB charging cable |
| Audio / HDMI Cable | N/A | N/A |
| Mounting Accessories | N/A — portable design | N/A — portable design |
| Other Accessories | N/A | N/A |
| Documentation | Quick Start Guide and safety documentation | Quick Start Guide and safety documentation |
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