# Headphones DEFENDER Gryphon HN-751 — Wired, Circumaural, Head-band, 18–20000 Hz, 220 g, Black

**URL:** https://aio.lv/en/product--defender-63751--146078
**Data updated:** 2026-03-10 14:38 (EET)
**Category:** Headphones
**Manufacturer:** DEFENDER
**Manufacturer code:** 63751
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--defender-63751--146078

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Wired over-ear headphones DEFENDER Gryphon HN-751 with head-band design, circumaural ear coupling and frequency response 18–20,000 Hz. Weighing 220 g, these black wired headphones provide wired connectivity for listening to music, calls and multimedia on devices with compatible audio outputs. Practical for home, office and travel use.

## Long description

Defender Gryphon HN-751 are wired over-ear headphones with a head-band design, 3 m cord and built-in volume control. They cover a frequency range of 18–20,000 Hz and weigh 220 g, offering a simple, wired listening solution in black finish suitable for home entertainment and personal audio use.
Advantages
The long 3 m cable provides extended reach from devices or TV sets; the integrated volume control on the cable allows convenient sound adjustment without reaching the source; circumaural ear cups and a head-band design offer stable wearing and passive noise isolation typical for over-ear headphones; wired connectivity ensures consistent audio without battery requirements.
Suitable for
 Listening to music at home
 Watching movies or TV with extended cable length
 Everyday computer use and online lessons
 Situations where a wired connection and in-line volume control are preferred
Key specifications
 Product type: Headphones
 Brand: DEFENDER, Model: Gryphon HN-751 (MPN 63751)
 Connectivity: Wired
 Ear coupling: Circumaural (over-ear)
 Wearing style: Head-band
 Frequency response: 18–20,000 Hz
 Weight: 0.22 kg
 Colour: Black
 Cable length: 3 m
How to use
Connect the 3 m audio cable to the headphone jack of your audio source (computer, TV, smartphone or other compatible device). Use the in-line volume control to adjust sound level while wearing the head-band; place the circumaural ear cups over your ears for a comfortable fit. When not in use, store the headphones in a dry place and avoid strong bending of the cable.
Usage recommendations
For best results, set your source device to a moderate volume and fine-tune audio using the in-line control. Avoid exposing the headphones to moisture or extreme temperatures. If you use the headphones with a TV, ensure the TV audio output is compatible with a 3.5 mm wired connection or use an appropriate adapter.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 18 - 20000 |
| Headphone sensitivity | 100 dB |
| Impedance | 32 Ω |
| Driver unit | 40 mm |
| Ear coupling | Circumaural |
| Acoustic system | Closed |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| 3.5 mm connector | Yes |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black |
| Volume control | Rotary |
| Wearing style | Head-band |
| Product type | Headphones |

### Other features

| Feature | Value |
|---|---|
| Quantity | 1 |
| Brand compatibility | Any brand |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.22 kg |
| Height | 170 mm |
| Width | 187 mm |
| Depth | 90 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 300 g |

## FAQ

### How much does the Headphones DEFENDER Gryphon HN-751 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 26.06.2026 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. All transactions are 100% secure and encrypted.

### 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 DEFENDER 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 DEFENDER 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: ear coupling, connectivity technology, weight, wearing style, 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.

## Image

https://aio.lv/img/cache/product/146078/62245512_large.webp