Uploaded February 2026 | Updated September 2026, 2 weeks ago
IHOS NAXOS professional speaker and subwoofer set. Experience rich bass, clear mids, and crisp highs designed for parties, events, or home setups. Watch how this professional audio set delivers powerful performance for any occasion.
Speaker & Subwoofer Features & Specs:
- Professional-grade full-range speakers
- Dedicated subwoofer for deep bass
- High power output for large rooms or events
- Clear mids and highs for balanced sound
- Durable construction for long-term use
- Easy setup for home, studio, or party use
IHOS NAXOS professional speaker and subwoofer set. Experience rich bass, clear mids, and crisp highs designed for parties, events, or home setups. Watch how this professional audio set delivers powerful performance for any occasion.
Speaker & Subwoofer Features & Specs:
- Professional-grade full-range speakers
- Dedicated subwoofer for deep bass
- High power output for large rooms or events
- Clear mids and highs for balanced sound
- Durable construction for long-term use
- Easy setup for home, studio, or party use
![Harman Kardon Onyx Studio 9 speaker sound/bass excursion test [no grill]](https://i.ytimg.com/vi/mbuTh_yBIlI/mqdefault.jpg "Harman Kardon Onyx Studio 9 speaker sound/bass excursion test [no grill]
How to remove the speaker grill on the Harman Kardon Onyx Studio 9 portable bluetooth speaker + bass excursion and sound test to see how loud and powerful this portable Bluetooth speaker really is testing dB SPL test. The Onyx Studio 9 is known for its premium design and rich sound, but today we focus on what’s happening behind the grill. I demonstrate how the grill is held in place using plastic clips (similar to Hi-Fi speaker fabric covers) and explain how to remove it carefully without damaging the housing. Once the grill is off, we take a closer look at the woofer, passive radiator, and three tweeters, then move on to a real sound & bass excursion test to check speaker movement, low-frequency performance, and overall loudness. Note: Removing the grill may cause minor scratches if done carelessly. I recommend using tape or plastic tools to protect the speaker finish.
USB C type cable on Aliexpress:
- https://s.click.aliexpress.com/e/_c30UdpKH
Karman Kardon Speakers on Amazon:
- Global https://amzn.to/4p8PvZD
- UK https://amzn.to/4qnPgLy
- DE https://amzn.to/49i2L9L
USB C type cable on Amazon:
- Global https://amzn.to/4qmWak5
- UK https://amzn.to/45eg74j
- DE https://amzn.to/49m7GGE
affiliate links
Harman Kardon Onyx Studio 9 Key Features & Specs:
- Portable Bluetooth speaker
- Premium Harman Kardon sound tuning
- Powerful woofer with passive radiator for deep bass
- 3 tweeters for wider sound coverage
- Wireless Bluetooth audio streaming
- Built-in rechargeable battery
- Stylish fabric and aluminum design
Harman Kardon Onyx Studio 9 Specifications:
- Rated Output Power: 50 W RMS
- Power Supply: 100–240 V AC, 50/60 Hz
- Speakers: Woofer: 1 × 120 mm and Tweeters: 3 × 20 mm
- Frequency Response: 50 Hz – 20 kHz (-6 dB)
- Signal to Noise Ratio: more than 80 dB
- Product Dimensions (W × H × D): 289.2 × 287.5 × 130 mm (11.39 × 11.32 × 5.12)
- Gross Weight: 3.33 kg (7.34 lbs)
- Bluetooth Version: 5.3 (A2DP 1.4, AVRCP 1.6)
- USB Port: Type-C (5 V / 2.1 A (Max))
- Battery Type: Li-ion 17.14 Wh (3.63 V / 4722 mAh)
- Charging Time: Approx. 4 hours
- Music Play Time: Up to 8 hours (depending on volume and content)
- Cable Length: 2.0 m (6.6 ft)
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This video is titled in different languages for our international audience:
- latviski: Kā noņemt Harman Kardon Onyx Studio 9 skaļruņa resti + basa ekskursijas tests
- auf Deutsch: Harman Kardon Onyx Studio 9 Lautsprechergitter entfernen + Bass-Excursion-Test
- en español: Cómo quitar la rejilla del altavoz Harman Kardon Onyx Studio 9 + prueba de excursión de bajos
- на русском языке: Как снять решётку динамика Harman Kardon Onyx Studio 9 + тест хода баса
- en français: Comment retirer la grille du haut-parleur Harman Kardon Onyx Studio 9 + test d’excursion des basses
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Test Track: Uplink & Castion - Euphoria [NCS Release]
Music provided by NoCopyrightSounds.
Watch more NCS on YouTube: https://NCS.lnk.to/YouTubeAT
Free Download / Stream: https://ncs.io/Euphoria
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