# Mono Portable Speaker JBL Go 4 Black

**URL:** https://aio.lv/en/product--jbl-jblgo4blk--3933129
**Data updated:** 2025-12-29 13:53 (EET)
**Category:** Portable Speakers
**Manufacturer:** JBL
**Manufacturer code:** JBLGO4BLK
**EAN:** 1200130009433
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--jbl-jblgo4blk--3933129

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 22.06.2026 | 1.99 EUR |
| Courier delivery to door | 22.06.2026 | 4.99 EUR |

## Summary description

The JBL Go 4 is a compact mono portable speaker with a powerful RMS rated power of 4.2 W and a frequency range of 90 - 20000 Hz. It features wireless connectivity with Bluetooth profiles A2DP and AVRCP, ensuring seamless audio streaming from your mobile devices. With a built-in lithium-ion battery of 850 mAh, enjoy extended playtime on the go. The sleek black design and easy-to-use volume control buttons make it a stylish and practical choice for music lovers.

## Long description

Mono Portable Speaker JBL Go 4 Black is a compact mono portable speaker from JBL that provides a rated RMS power of 4.2 W and a frequency range of 90–20000 Hz. The speaker supports wireless audio streaming via Bluetooth with A2DP and AVRCP profiles and is powered by a built-in 850 mAh lithium‑ion battery. The unit weighs 0.19 kg, has one speaker element, simple volume control buttons and a black finish designed for everyday mobile use.
Advantages
The JBL Go 4 Black combines a small physical footprint with a clearly specified audio range and a modest RMS output suitable for personal listening. Bluetooth connectivity using A2DP and AVRCP profiles ensures compatibility with most smartphones, tablets and laptops for direct streaming. The integrated 850 mAh lithium‑ion battery provides extended portable use without external power, while the single‑speaker mono design and straightforward controls simplify operation.
Suitable for
Personal listening while travelling
Short outdoor or indoor gatherings where compact sound is needed
Streaming audio from smartphones, tablets and laptops
Use as a compact desktop or bedside speaker
Key specifications
Brand: JBL; Model: Go 4; MPN: JBLGO4BLK; EAN: 1200130009433
Type: Mono portable speaker
Rated RMS power: 4.2 W
Frequency range: 90 – 20000 Hz
Wireless: Bluetooth (A2DP, AVRCP)
Battery: built-in lithium‑ion, 850 mAh
Number of speakers: 1
Weight: 0.19 kg
Colour: Black
How to use
Turn the speaker on using the power control, enable Bluetooth on your source device and select "JBL Go 4" from the device list to pair. Use the volume control buttons on the speaker to adjust playback level. Before first use, fully charge the built‑in battery; while in use, monitor battery level on your source device if supported. Power off the speaker when not in use to conserve battery.
Usage recommendations
Place the speaker on a flat, stable surface for best sound dispersion. Keep the device within a typical Bluetooth range of your source device and avoid obstructions that may interfere with the connection. To minimise distortion, avoid sustained maximum volume given the mono 4.2 W output and charge the battery regularly to maintain consistent performance.

## Specifications

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Volume control | Buttons |
| International Protection (IP) code | IP67 |
| Protection features | Dust resistant, Water resistant |
| Hook | Yes |
| Product type | Mono portable speaker |

### Performance

| Feature | Value |
|---|---|
| Built-in microphone | No |
| FM radio | No |
| Card reader integrated | No |
| Recommended usage | Mobile phone / Smartphone |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB Type-C |
| Quick start guide | Yes |
| Safety sheet | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| USB connector type | USB Type-C |
| Bluetooth | Yes |
| AUX in | No |
| USB connectivity | Yes |
| 3.5 mm connector | No |
| Bluetooth transmitter modulation | DQPSK, GFSK |

### Features

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Signal-to-Noise Ratio (SNR) | 85 dB |
| Wi-Fi | No |
| Bluetooth profiles | A2DP, AVRCP |
| Frequency range | 2.4 - 2.4835 |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 850 mAh |
| Battery voltage | 3.8 V |
| Battery capacity | 3.23 Wh |

### Audio

| Feature | Value |
|---|---|
| RMS rated power | 4.2 W |
| Frequency range | 90 - 20000 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Number of batteries supported | 1 |
| Battery recharge time | 3 h |
| Battery life (max) | 7 h |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 320 g |
| Package depth | 56.5 mm |
| Package height | 103 mm |
| Package width | 125 mm |
| Package type | Hanging box |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.19 kg |
| Height | 75.7 mm |
| Width | 94.3 mm |
| Depth | 42.2 mm |

### Loudspeakers

| Feature | Value |
|---|---|
| Number of speakers | 1 |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Mono Portable Speaker JBL Go 4 JBLGO4BLK cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 121 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 Wednesday 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 JBL 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 JBL 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, 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 Mono Portable Speaker JBL Go 4 JBLGO4BLK?

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/3933129/66087702_large.webp