# Headset Sennheiser EPOS HD 450BT — binaural, circumaural, Bluetooth 5.0, ANC, 30 h playtime, USB-C, 2.5/3.5 mm, 238 g, black

**URL:** https://aio.lv/en/product--sennheiser-508386--4275928
**Data updated:** 2026-01-21 10:56 (EET)
**Category:** Headphones
**Manufacturer:** Sennheiser
**Manufacturer code:** 508386
**EAN:** 4044155249682
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 87.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 72.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sennheiser-508386--4275928

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Sennheiser EPOS HD 450BT is a binaural, circumaural headset for calls and music offering wired and wireless connectivity. Features Bluetooth 5.0 (2.402–2.480 GHz) with HSP, USB‑C charging, detachable 2.5→3.5 mm audio cable, built‑in LiPo 600 mAh battery (30 h playback, 2 h charge), active noise cancellation, dual MEMS microphones, on‑ear controls and foldable design in black, 238 g.

## Long description

The Sennheiser HD 450BT is a circumaural, over‑ear headset designed for both wired and wireless use. Made from quality materials with a foldable design, it combines durable construction with a lightweight form (0.238 kg) and offers Bluetooth 5.0, USB‑C charging and support for AAC and aptX™ Low Latency codecs for reliable high‑quality audio whether you are listening to music, podcasts or taking calls.
Advantages
The HD 450BT provides active noise cancellation to reduce ambient noise and deliver clear, detailed sound across a wide frequency range (18–22,000 Hz). Up to 30 hours of battery life and fast USB‑C charging make it suitable for long trips. Touch controls, a dedicated voice assistant button and compatibility with the Sennheiser Smart Control app allow quick personalization of sound via an intuitive equalizer, firmware updates and podcast/voice‑optimized presets.
Suitable for
Listening to music with wireless Bluetooth connection
Making and receiving voice calls
Travel and commuting thanks to long battery life and foldable design
Listening to podcasts and audiobooks using podcast mode
Wired connection via audio cable when Bluetooth is unavailable
Key specifications
Brand: Sennheiser (EPOS HD 450BT)
Model / MPN: 508386
EAN: 4044155249682
Ear coupling: Circumaural (over‑ear)
Connectivity: Wired & Wireless, Bluetooth 5.0
Supported codecs: AAC, aptX™ Low Latency
Frequency response: 18–22,000 Hz
Weight: 0.238 kg
Charging: USB‑C, up to 30 hours battery life
Wearing style: Head‑band, foldable design
How to use
Charge the headset via the USB‑C port before first use. Pair with a Bluetooth device using the headset pairing mode or connect with the supplied audio cable for wired use. Control playback and calls with the touch buttons on the earcup and access voice assistants using the dedicated button. Install the Sennheiser Smart Control app on iOS or Android to adjust the equalizer, enable podcast mode and update firmware.
Usage recommendations
For best battery performance, fully charge the headset before long trips and use wired mode when battery is low. Use the Smart Control app to tailor sound profiles for music or spoken content and keep firmware updated for optimal performance.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 18 - 22000 |
| Impedance | 35 Ω |
| Driver unit | 32 mm |
| Ear coupling | Circumaural |
| Driver type | Dynamic |
| Noise canceling type | Active |
| Noise canceling | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired & Wireless |
| Bluetooth version | 5.0 |
| Frequency band | 2.402 - 2.480 |
| Bluetooth | Yes |
| Bluetooth profiles | SBC, A2DP, AAC, AVRCP, HFP, HSP |
| USB connectivity | Yes |
| USB connector | USB Type-C |
| 2.5 mm connector | Yes |
| Cable colour | Black |

### Performance

| Feature | Value |
|---|---|
| Certification | CE |
| LED indicators | Y |
| Product colour | Black |
| Total Harmonic Distortion (THD) | 0.3 % |
| Volume control | Button |
| Control type | Buttons |
| Detachable cable | Yes |
| Headset type | Binaural |
| Wearing style | Head-band |
| Operating keys | Volume -, Bluetooth pairing, Answer/end call, Volume + |
| Sound pressure level (max) | 108 dB |
| Recommended usage | Calls/Music |
| Product type | Headset |
| Control unit type | On-ear control unit |

### Other features

| Feature | Value |
|---|---|
| Continuous audio playback time | 30 h |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 80 - 6000 |
| Number of microphones | 2 |
| MEMS (Micro-Electro-Mechanical System) microphone | Yes |

### Design

| Feature | Value |
|---|---|
| Foldable | Yes |
| On/off switch | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.238 kg |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery type | Built-in battery |
| Battery capacity | 600 mAh |
| Battery recharge time | 2 h |
| Battery voltage | 3.7 V |
| Battery operated | Yes |
| Charging source | USB |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 0 - 40 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Audio (2.5mm to 3.5mm), USB Type-C to USB Type-A |
| Carrying case | Yes |
| Quick start guide | Yes |
| Safety sheet | Yes |

## FAQ

### How much does the Sennheiser EPOS HD 450BT headset cost, and is it available for purchase?

The price is 87.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 56 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 02.07.2026 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 Sennheiser EPOS HD 450BT headset 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 Sennheiser 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 Sennheiser 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, product colour, wearing style, 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 Sennheiser EPOS HD 450BT headset?

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/4275928/64658084_large.webp