# Harman/Kardon Onyx Studio 9 stereo portable speaker — 50 W, 3.0 channels, USB-C, wireless, black/grey

**URL:** https://aio.lv/en/product--jbl-hkos9blkep--11968706
**Data updated:** 2026-03-11 15:52 (EET)
**Category:** Portable Speakers
**Manufacturer:** JBL
**Manufacturer code:** HKOS9BLKEP
**EAN:** 1200130014116
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 172.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 142.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--jbl-hkos9blkep--11968706

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Harman/Kardon Onyx Studio 9 is a round stereo portable speaker with 3.0 audio channels and 50 W RMS output. It features a 12 cm woofer, 2 cm tweeter, frequency range 50–20,000 Hz and SNR 80 dB. Wireless connectivity with USB Type‑C charging, AC or battery power and 2 m cord makes it suitable for home, small gatherings and portable audio playback of MP3 files.

## Long description

Harman/Kardon Onyx Studio 9 is a round stereo portable speaker offering 3.0 audio channels and 50 W RMS output. The enclosure integrates a 12 cm woofer and a 2 cm tweeter to reproduce frequencies from 50 Hz to 20,000 Hz with a signal‑to‑noise ratio of 80 dB. Designed for flexible placement, the speaker supports wireless playback and USB‑C charging, and can be powered from AC mains or its internal battery. The unit comes in a two‑tone black and grey finish and weighs approximately 3.36 kg.
Advantages
The Onyx Studio 9 combines a compact round design with stereo 3.0 configuration to deliver balanced sound for small spaces. Its 50 W RMS power and dedicated woofer and tweeter provide clear mid and high frequencies while maintaining punch in lower registers. Multiple power options — AC, battery and USB‑C charging — increase portability and use scenarios. Wireless connectivity simplifies connection to phones and tablets without cables, while an auxiliary input allows wired sources.
Suitable for
Home listening in living rooms and bedrooms
Small gatherings and parties
Portable audio playback from smartphones or tablets
Listening to MP3 and other compressed audio files
Key specifications
Output power: 50 W RMS
Channels: 3.0 stereo configuration
Drivers: 12 cm woofer and 2 cm tweeter
Frequency response: 50 Hz – 20,000 Hz
Signal‑to‑noise ratio: 80 dB
Wireless connectivity: Bluetooth
Inputs: AUX in
Charging: USB‑C
Power source: AC mains or internal battery
Battery capacity and runtime: Lithium‑Ion 17.15 Wh (approx. 4722 mAh), up to 8 hours
Weight: approximately 3.36 kg
Colour: Black and Grey
How to use
Place the Harman/Kardon Onyx Studio 9 on a stable surface, allow clearance around the enclosure for optimal bass response, and connect to AC power or ensure the internal battery is charged via the USB‑C port. For wireless playback, enable Bluetooth on your source device, select the speaker from the available devices list and start audio playback. For wired sources, connect via the AUX input. Adjust volume from the connected device or speaker controls. Observe manufacturer guidance for charging cycles and do not expose the speaker to water or extreme temperatures.
Usage recommendations
For best sound balance, position the speaker centrally in the listening area and avoid placing it directly in corners. Use wired AUX when low‑latency audio is required, and keep Bluetooth firmware on source devices updated for reliable wireless performance.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| USB connector type | USB Type-C |
| Bluetooth | Yes |
| AUX in | Yes |
| Cord length | 2 m |
| AirPlay | No |
| USB connectivity | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black, Grey |
| Product design | Round |
| Built-in display | No |
| Product type | Stereo portable speaker |

### Performance

| Feature | Value |
|---|---|
| Built-in microphone | No |
| Equalizer | Yes |
| FM radio | No |
| Audio formats supported | MP3 |
| Hands-free mode | No |
| Card reader integrated | No |
| Recommended usage | Universal |
| Amplifier | No |

### Power

| Feature | Value |
|---|---|
| Battery recharge time | 4 h |
| Battery life (max) | 8 h |
| Power source type | AC, Battery |
| DC input voltage | 5 |
| USB Type-C charging port | Yes |

### Packaging content

| Feature | Value |
|---|---|
| AC adapter included | No |
| Cables included | AC |
| Quick start guide | Yes |
| Warranty card | Yes |

### Loudspeakers

| Feature | Value |
|---|---|
| Audio output channels | 3.0 |
| Woofer diameter | 120 mm |
| Tweeter | Yes |
| Tweeter diameter | 20 mm |
| Woofer | Yes |
| Subwoofer driver diameter | 0 mm |
| Number of drivers | 4 |
| Number of woofer drivers | 1 |
| Number of tweeter drivers | 3 |
| Number of speakers | 1 |

### Features

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Signal-to-Noise Ratio (SNR) | 80 dB |
| Wi-Fi | No |
| Housing material | Aluminium, Fabric |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 4722 mAh |
| Battery voltage | 3.63 V |
| Battery capacity | 17.15 Wh |

### Audio

| Feature | Value |
|---|---|
| RMS rated power | 50 W |
| Subwoofer RMS power | 0 W |
| Frequency range | 50 - 20000 |

### Other features

| Feature | Value |
|---|---|
| AC input frequency | 50/60 |

### Weight & dimensions

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

### Packaging data

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

### Logistics data

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

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 2 year(s) |

## FAQ

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

The price is 172.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 03.07.2026 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 portable 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 JBL 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 JBL 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: weight, number of speakers, product colour, power source type, 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 portable 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/11968706/67499978_large.webp