# Wireless Speaker Harman‑Kardon Onyx Studio 9 — 50 W RMS, 3.0 channels, 4 drivers, 50–20,000 Hz, Grey

**URL:** https://aio.lv/en/product--harman-kardon-hkos9gryep--12247178
**Data updated:** 2026-04-06 09:54 (EEST)
**Category:** Speakers
**Manufacturer:** Harman-Kardon
**Manufacturer code:** HKOS9GRYEP
**EAN:** 1200130018237
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 195.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 161.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--harman-kardon-hkos9gryep--12247178

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Harman‑Kardon Onyx Studio 9 is a wireless home speaker with 50 W RMS output, 3.0-channel configuration and four drivers. It covers 50–20,000 Hz frequency range and supports wireless connectivity for streaming. Suited for music playback in living rooms and small gatherings where clear midrange and balanced sound are required.

## Long description

The Harman/Kardon Onyx Studio 9 Grey is a wireless home speaker designed for clear, room-filling audio. It delivers 50 W RMS power through a 3.0-channel configuration with four drivers and covers a frequency range from 50 to 20,000 Hz. The speaker combines metal and fabric materials in a grey finish and uses Bluetooth 5.3 for wireless connectivity.
Advantages
The Onyx Studio 9 provides balanced sound with sufficient power for typical home environments, thanks to its 50 W output and a multi-driver 3.0 configuration. Bluetooth 5.3 ensures stable wireless connections and improved energy efficiency. Construction with aluminium and fabric offers a durable appearance while maintaining a modern aesthetic that fits many interiors.
Suitable for
Casual home listening in living rooms, kitchens, or bedrooms
Streaming music wirelessly from phones, tablets, or laptops
Background music at small gatherings or social events
When it may not be suitable
This speaker is intended for home use and is best suited to small to medium-sized rooms. It may not provide the output or bass extension required for large venues, professional audio monitoring, or high-SPL applications. Users needing full-range professional studio accuracy or extremely loud outdoor performance should consider larger or specialised systems.
Key specifications
RMS power: 50 W
Audio configuration: 3.0 channels
Drivers: 4 drivers
Frequency response: 50–20,000 Hz
Wireless: Bluetooth 5.3
Materials: Aluminium and fabric
Colour: Grey
How to use
Place the Onyx Studio 9 on a stable surface in the room where you want playback. Power the speaker and pair it with your source device via Bluetooth 5.3 following the on-device pairing procedure. Control volume and playback from your connected device or from available on-device controls. For best sound, position the speaker away from corners and walls to reduce bass exaggeration and allow even dispersion.
What to consider before purchase
Intended room size — best for small to medium rooms
Desired loudness and bass — 50 W RMS and specified frequency range set realistic expectations
Wireless-only connectivity — check compatibility with your source devices
Finish and materials — grey aluminium and fabric may suit most interiors
Usage recommendations
For balanced home listening, place the Onyx Studio 9 at ear level when seated and keep at least 0.5–1 m clearance from walls. Use Bluetooth 5.3 for the most stable wireless connection and adjust source EQ if you need more bass or treble emphasis.

## Specifications

### Loudspeakers

| Feature | Value |
|---|---|
| Audio output channels | 3.0 |
| Woofer diameter | 120 mm |
| Tweeter | Yes |
| Tweeter diameter | 20 mm |
| Woofer | Yes |
| Speaker placement | Tabletop/bookshelf, Floor |
| Number of drivers | 4 |
| Number of woofer drivers | 1 |
| Number of tweeter drivers | 3 |

### Amplifier

| Feature | Value |
|---|---|
| Signal-to-Noise Ratio (SNR) | 80 dB |

### Ports & interfaces

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Connectivity technology | Wireless |
| USB connector type | USB Type-C |
| Bluetooth | Yes |
| AUX in | Yes |

### Technical details

| Feature | Value |
|---|---|
| Cord length | 2 m |
| Frequency range | 50 - 20000 |

### Other features

| Feature | Value |
|---|---|
| Battery voltage | 3.63 V |
| Battery life | 8 h |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.36 kg |
| Height | 287.5 mm |
| Width | 289.2 mm |
| Depth | 130 mm |

### Power

| Feature | Value |
|---|---|
| Battery recharge time | 4 h |
| Current | 2.1 A |
| Power source type | Battery, AC |
| AC input frequency | 50/60 |
| AC input voltage | 100-240 |
| DC input voltage | 5 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC |
| Quick start guide | Yes |
| Warranty card | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 4200 g |
| Package depth | 172 mm |
| Package height | 322 mm |
| Package width | 312 mm |

### Performance

| Feature | Value |
|---|---|
| Product colour | Grey |
| Equalizer | Yes |
| RMS rated power | 50 W |
| Housing material | Fabric, Aluminium |
| Recommended usage | Home |
| Number of speakers | 1 |
| Market segment | Consumer |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 4722 mAh |
| Battery capacity | 17.15 Wh |

## FAQ

### How much does the Harman‑Kardon Onyx Studio 9 wireless speaker cost, and is it available for purchase?

The price is 195.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Harman‑Kardon Onyx Studio 9 wireless speaker be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Harman-Kardon products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Harman-Kardon service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: audio output channels, connectivity technology, weight, number of speakers, rms rated power, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Harman‑Kardon Onyx Studio 9 wireless speaker?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12247178/68164639_large.webp