# 2.1 Portable Speaker System Denver BTS-90Silver Black, White

**URL:** https://aio.lv/en/product--21-portable-speaker-system-denver-bts-90silver-black-white--478079
**Data updated:** 2026-06-10 09:36 (EEST)
**Category:** Portable Speakers
**Manufacturer:** DENVER
**EAN:** 5706751021015
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 21.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--21-portable-speaker-system-denver-bts-90silver-black-white--478079

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

The Denver BTS-90Silver is a versatile 2.1 portable speaker system featuring a sleek spherical design. With 4 W RMS rated power and a 5 W subwoofer, it delivers rich audio through its 2.1 channels. Connectivity is hassle-free with wireless options and a Micro-USB port. Ideal for universal use, it supports MP3 audio formats, making it perfect for music lovers on the go.

## Long description

The Denver BTS-90Silver is a compact 2.1 portable speaker system designed to provide a balanced audio experience in a unique, spherical form factor. Combining a 4 W RMS rated power output with a dedicated 5 W subwoofer, this device ensures that both high and low frequencies are reproduced with clarity. Its portable nature and wireless connectivity make it a practical choice for users who require a mobile audio solution without compromising on sound depth.
Advantages
The primary benefit of this speaker system is its 2.1 channel configuration, which integrates a subwoofer to enhance bass performance beyond what standard portable speakers typically offer. The spherical design is not only aesthetically pleasing but also helps in distributing sound effectively. Its lightweight construction and battery-powered operation allow for easy transport, ensuring that you can enjoy your music in various environments without being tethered to a power outlet.
Suitable for
Listening to music in small to medium-sized rooms
Outdoor gatherings or picnics
Enhancing audio from mobile devices or tablets
Personal use at a desk or bedside table
When it may not be suitable
This speaker system may not be the ideal choice for large-scale events or outdoor spaces requiring high-volume sound projection, as its power output is optimized for personal or small-group listening. Additionally, it is not designed for professional audio monitoring or high-fidelity studio applications.
Key specifications
Audio output channels: 2.1
Total RMS power: 4 W
Subwoofer power: 5 W
Connectivity: Wireless and Micro-USB
Weight: 1.1 kg
Power source: Battery
Supported formats: MP3
How to use
To begin using the Denver BTS-90Silver, ensure the internal battery is fully charged via the provided Micro-USB port. Once charged, activate the wireless pairing mode on the speaker and search for the device in your smartphone or tablet's Bluetooth settings. After a successful connection, you can play your MP3 files directly from your source device. Adjust the volume levels through your connected device to achieve the desired sound intensity.
What to consider before purchase
Check the compatibility of your audio source with the wireless connection standard
Consider the battery life relative to your intended usage duration
Evaluate if the 9 W total power output meets your volume requirements
Usage recommendations
For optimal sound quality, place the speaker on a flat, stable surface to allow the subwoofer to resonate correctly. Avoid placing the device near water or in extreme temperatures to maintain the integrity of the internal battery and electronic components.

## Specifications

### Power

| Feature | Value |
|---|---|
| AC adapter input voltage | 230 |
| AC adapter frequency | 50 |
| Battery type | Built-in battery |
| Power source type | Battery |
| USB charging | Yes |

### Technical details

| Feature | Value |
|---|---|
| AC adapter included | Yes |
| Subwoofer RMS power | 5 W |
| Bluetooth | Yes |
| USB 2.0 ports quantity | 1 |
| Subwoofer included | Yes |
| USB connectivity | Yes |

### Other features

| Feature | Value |
|---|---|
| Backlight | Yes |

### Loudspeakers

| Feature | Value |
|---|---|
| Audio output channels | 2.1 |
| Number of speakers | 1 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| USB connector type | Micro-USB |
| AUX in | Yes |
| USB charging port | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Black, White |
| Product design | Spheric |
| On/off switch | Yes |
| Product type | 2.1 portable speaker system |

### Performance

| Feature | Value |
|---|---|
| Audio formats supported | MP3 |
| Recommended usage | Universal |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 160 mm |
| Package height | 150 mm |
| Package width | 130 mm |

### Audio

| Feature | Value |
|---|---|
| RMS rated power | 4 W |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.1 kg |
| Height | 135 mm |
| Width | 130 mm |
| Depth | 155 mm |

### Logistics data

| Feature | Value |
|---|---|
| Products per master (outer) case | 6 pc(s) |
| Products per intermodal container (20ft) | 6882 pc(s) |
| Products per intermodal container (40ft) | 16722 pc(s) |

### Features

| Feature | Value |
|---|---|
| LED indicators | Y |
| Wi-Fi | No |

## FAQ

### How much does the 2.1 Portable Speaker System Denver BTS-90Silver 5706751021015 cost, and is it available for purchase?

The price is 25.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 28.07.2026 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. 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, 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 2.1 Portable Speaker System Denver BTS-90Silver 5706751021015?

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/478079/63768285_large.webp