Harman Kardon Onyx Studio 9 vs JBL Cinema SB270
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Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Harman Kardon Onyx Studio 9 |  JBL Cinema SB270 |
|---|---|---|
| Price | KSh 27,500.00 | KSh 34,500.00 |
| Battery | 4722mAh Li-ion, 3.63V, up to 8 hours playtime | N/A — mains-powered product |
| Weight | 3.36kg | Soundbar: 1.65 kg; subwoofer: 5 kg |
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Full specifications
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General
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Brand | Harman Kardon | JBL |
| Model | Onyx Studio 9 | Cinema SB270 |
| Type | Portable Bluetooth Speaker | Soundbar with Subwoofer |
| Color | Black, Gray | Black |
| Announced | — | 2021 |
Design
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Dimensions | 289.2 x 287.5 x 130 mm | Soundbar: 900 × 62 × 67 mm; subwoofer: 200 × 320 × 280 mm |
| Weight | 3.36kg | Soundbar: 1.65 kg; subwoofer: 5 kg |
Battery & Charging
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Battery | 4722mAh Li-ion, 3.63V, up to 8 hours playtime | N/A — mains-powered product |
Connectivity
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Bluetooth | Version 5.3, A2DP 1.4, AVRCP 1.6 | Bluetooth 4.2 |
| Wi-Fi | N/A — Bluetooth-only portable speaker | — |
| Wired Inputs | USB-C (5V | Optical; USB Type-A; HDMI ARC |
| HDMI | N/A — portable speaker design | 1 HDMI ARC output; HDCP 1.4 |
| USB | USB-C (5V/2.1A), multi-device pairing, Auracast multi-speaker support | — |
| Microphone / Guitar Inputs | N/A — no microphone or guitar input | N/A — no microphone or guitar input |
| Multi-Speaker / Stereo Pairing | Pair with another Onyx Studio 9 via Auracast for a wider, stereo soundstage. | — |
| Bluetooth Profiles / Codecs | — | A2DP v1.3; AVRCP v1.5 |
Features
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Voice Assistant | N/A — no built-in voice assistant | — |
| 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 | Dolby Digital; 2.1 channels; HDMI ARC |
| Special Features | Self-tuning, Constant Sound Field technology, Harman Kardon One app, speakerphone, 7-band EQ | Wireless subwoofer; dedicated Voice mode; Bluetooth music streaming |
Audio
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Drivers | 1 x 120mm woofer, 3 x 20mm tweeters | Soundbar: 2 × (48 × 90) mm racetrack drivers + 2 × 0.5 in tweeters; subwoofer: 5.25 in wireless subwoofer |
| Frequency Response | 50Hz – 20kHz (-6dB) | 40 Hz – 20 kHz |
| Total Power Output | 50W RMS | 220 W maximum @ THD 1% (soundbar 2 × 52 W; subwoofer 116 W) |
| Signal-to-Noise Ratio | > 80dB | — |
| Speaker Configuration | — | 2.1 channel soundbar with wireless subwoofer |
| Maximum SPL | — | 82 dB |
| Amplifier | — | Soundbar 2 × 52 W + subwoofer 116 W; max @ THD 1% |
| Audio Channels | — | 2.1 |
| Sound Modes / EQ | — | Dedicated Voice sound mode for voice clarity |
| Audio Features | — | Dolby Digital; wireless subwoofer; JBL Surround Sound |
Power & Battery
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Power Source | Rechargeable battery / USB charging | 100–240 V AC, 50/60 Hz mains |
| Charging Time | 4 hours | — |
| Battery Life | — | N/A — mains-powered product |
Design & Controls
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Materials | 90% recycled aluminum handle, recycled polyester fabric grille, IPX4 splash resistance | — |
| Placement / Mounting | Free-standing portable placement | Tabletop or wall mount; wall-mount bracket kit included |
| Controls | — | Remote control with dedicated Voice button |
What's in the Box
| Specification | Harman Kardon Onyx Studio 9 | JBL Cinema SB270 |
|---|---|---|
| Speaker / Soundbar | Onyx Studio 9 | 1 × soundbar |
| Subwoofer | N/A — no subwoofer supplied | 1 × wireless subwoofer |
| Remote Control | N/A — no remote control supplied | Remote control with batteries |
| Power Cable | USB charging cable | Power cords (up to 8 pcs depending on region SKU) |
| Audio / HDMI Cable | N/A | 1 × HDMI cable |
| Mounting Accessories | N/A — portable design | Wall-mount bracket kit with screws |
| Other Accessories | N/A | N/A |
| Documentation | Quick Start Guide and safety documentation | Quick start guide; warranty card; safety sheet |
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