# Mono Portable Speaker Denver BTS-51 Black

**URL:** https://aio.lv/en/product--mono-portable-speaker-denver-bts-51-black--478067
**Data updated:** 2025-12-28 21:21 (EET)
**Category:** Portable Speakers
**Manufacturer:** DENVER
**EAN:** 5706751021602
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mono-portable-speaker-denver-bts-51-black--478067

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The Denver BTS-51 is a mono portable speaker designed for universal use. It features 1.0 audio output channels and a 1-way speaker type. With wireless connectivity and a Bluetooth range of up to 10 meters, you can enjoy your music without the hassle of wires. The speaker is powered by AA batteries, making it convenient for outdoor use. Its sleek black design adds a modern touch to your audio experience.

## Long description

The DENVER Mono Portable Speaker BTS-51 in black is a compact, battery-powered mono speaker for wireless music playback. It connects via Bluetooth to smartphones or PCs within an 8–10 meter range and delivers single-channel audio from a 1-way speaker design. The speaker is splash-resistant (IPX4), making it suitable for use in bathrooms or outdoors, and runs on four AA batteries (not included).
Advantages
Bluetooth pairing offers cable-free playback from mobile devices and computers. The IPX4 splash-proof rating provides protection against water splashes for safer use near sinks and outdoors. Battery power (4 × AA) allows portable operation without the need for an external power supply. The compact black design is easy to place and transport.
Suitable for
Listening to music in small rooms and bathrooms
Portable audio for outdoor activities like picnics
Basic background sound for small gatherings
Use with smartphones, tablets and Bluetooth-enabled PCs
Key specifications
Model: Denver BTS-51
Audio channels: Mono (1.0)
Speaker type: 1-way
Wireless connection: Bluetooth, range 8–10 m
Ingress protection: IPX4 (splash resistant)
Power source: 4 × AA batteries (not included)
Colour: Black
Weight: 0.328 kg
How to use
Install four AA batteries into the battery compartment. Turn on the speaker and enable Bluetooth on your smartphone or PC. Search for available devices, select “DENVER BTS-51” to pair, and start playback from your chosen app or media player. Adjust the volume from the speaker or the connected device as needed. After use, power off the speaker and remove batteries if storing for an extended period.
Usage recommendations
To prolong battery life, lower playback volume when possible and switch the speaker off when not in use. Avoid direct exposure to heavy rain or submersion despite the IPX4 splash resistance.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth range | 10 m |

### Power

| Feature | Value |
|---|---|
| Battery type | AA |
| Number of batteries supported | 4 |
| Power source type | Battery |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.328 kg |
| Height | 210 mm |
| Width | 80 mm |
| Depth | 80 mm |

### Logistics data

| Feature | Value |
|---|---|
| Products per pallet | 5 pc(s) |

### Technical details

| Feature | Value |
|---|---|
| Bluetooth | Yes |

### Loudspeakers

| Feature | Value |
|---|---|
| Audio output channels | 1.0 |
| Speaker type | 1-way |

### Performance

| Feature | Value |
|---|---|
| Recommended usage | Universal |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Product type | Mono portable speaker |

## FAQ

### How much does the Mono Portable Speaker Denver BTS-51 5706751021602 cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 Monday 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: Cash payment, 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 DENVER 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 DENVER 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, 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.

## Image

https://aio.lv/img/cache/product/478067/63768267_large.webp