# Headphones ISK HD-9999

**URL:** https://aio.lv/en/product--isk-hd9999--1165744
**Data updated:** 2026-01-23 13:49 (EET)
**Category:** Headphones
**Manufacturer:** ISK
**Manufacturer code:** HD9999
**EAN:** 6949127400499
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--isk-hd9999--1165744

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The ISK HD-9999 headphones offer high-quality sound with a comfortable fit. Designed for long listening sessions, they feature adjustable headbands and soft ear cushions. With a frequency response of 20Hz to 20kHz, these headphones deliver clear highs and deep lows, making them ideal for music lovers and professionals alike. The durable construction ensures longevity, while the lightweight design allows for easy portability.

## Long description

The ISK HD-9999 headphones provide clear audio and a comfortable fit for extended listening. They include an adjustable headband and soft ear cushions, combining a lightweight build with durable construction for everyday use and portability.
Advantages
These headphones offer a wide frequency response and sufficient sensitivity for detailed sound reproduction. The adjustable headband and padded ear cups enhance comfort during long sessions, while the durable materials contribute to longer service life. The speaker diameter supports full-range audio delivery suitable for various genres and applications.
Suitable for
Music listening at home or on the go
Casual studio monitoring and mixing
Content creation and multimedia playback
Key specifications
Frequency response: 8 Hz – 30 kHz (manufacturer data)
Impedance: 32 Ω
Sensitivity: 96 dB
Maximum input power: 1500 mW
Driver diameter: 50 mm
How to use
Place the headphones over the head with ear cups covering the ears and adjust the headband for a secure, comfortable fit. Connect to an appropriate audio source using the compatible cable or connector. Start playback at low volume and adjust to a comfortable listening level. For monitoring or mixing, position and equalize according to personal preference and room acoustics.
Usage recommendations
To prolong product life, avoid exposing the headphones to moisture and extreme temperatures, clean ear cushions gently with a dry or slightly damp cloth, and store them in a protective case when not in use. For best audio results, use a source with adequate output power matching the headphones' impedance and sensitivity.

## FAQ

### How much does the Headphones ISK HD-9999 cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 58 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 30.06.2026 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 Headphones ISK HD-9999 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 ISK 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 ISK 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

## Image

https://aio.lv/img/cache/product/1165744/46647332_large.webp