1. Introduzione
Grazie per l'acquistuasing the ZEBRONICS Astra 40 Portable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully to ensure optimal performance and longevity of your device.
The ZEB-Astra 40 is a portable speaker designed to enhance your audio experience. It features Bluetooth v5.3 for seamless wireless connectivity, True Wireless Stereo (TWS) function for pairing two speakers, and multiple media options including USB, mSD, AUX, and FM Radio. With dual 5.2cm drivers and passive radiators, it delivers an impressive 20W RMS output. The speaker also includes vibrant RGB LED lights, an LED display, call functionality, and a splash-proof design for versatile use.
2. Cuntenutu di u pacchettu
- ZEBRONICS Astra 40 Speaker - 1 unit
- Charging Cable (Type-C) - 1 unit
- Cavu d'entrata (AUX) - 1 unità
- Guida di u codice QR - 1 unità
3. Produttu Finituview
Cuntrolli è Ports
Familiarize yourself with the various controls and connection ports on your ZEB-Astra 40 speaker.

Imagine: Daretu view of the ZEB-Astra 40 speaker highlighting the OFF/ON switch, AUX input, USB port, Micro SD card slot, and Type-C charging port.
- Interruttore OFF/ON: Accende o spegne l'altoparlante.
- Ingressu AUX: Per cunnette dispositivi audio esterni via un cavu audio di 3.5 mm.
- Port USB: Per a riproduzione audio da unità flash USB.
- Slot Micro SD: Per a riproduzione audio da carte Micro SD.
- Tip-C Port: Per carica l'altoparlante.

Imagine: In cima view of the ZEB-Astra 40 speaker displaying the media control buttons (Play/Pause, Volume Down/Previous, Volume Up/Next, Mode/RGB), and illustrations for TWS and Call functions.
- Pulsante Play/Pause: Riproduce o mette in pausa l'audio.
- Buttone di calata di vulume / traccia precedente: Diminuisce u vulume o salta à a traccia precedente.
- Buttone per aumentà u vulume / traccia successiva: Aumenta u vulume o salta à a traccia successiva.
- Mode / RGB Button: Switches between input modes (Bluetooth, USB, mSD, AUX, FM) and controls RGB lighting.
4. Setup
4.1 Caricamentu di l'altoparlante
Prima di u primu usu, caricate cumpletamente l'altoparlante. Aduprate u cavu di carica Type-C furnitu.
- Connect the Type-C end of the charging cable to the speaker's Type-C port.
- Connect the USB-A end of the charging cable to a 5V DC power adapter (not included) or a computer's USB port.
- The LED display will indicate charging status. Once fully charged, the indicator will change.

Image: The ZEB-Astra 40 speaker, highlighting its built-in rechargeable battery and up to 8 hours of playback time (at 50% volume with LED off).
A full charge provides up to 8 hours of playback at 50% volume with the LED lights off.
4.2 Accensione / spegnimentu
Locate the OFF/ON switch on the speaker's rear panel. Slide the switch to the 'ON' position to power on the speaker. Slide it to the 'OFF' position to power off.
5. Operating Instructions
5.1 Accoppiamentu Bluetooth
- Accendete l'altoparlante. Entrerà automaticamente in modalità di accoppiamentu Bluetooth, indicatu da un LED chì lampeggia.
- In u vostru dispositivu mobile, attivate u Bluetooth è cercate i dispositi dispunibili.
- Select "ZEB-Astra 40" from the list of devices.
- Una volta assuciatu, l'altoparlante emetterà un sonu di cunferma, è u LED smetterà di lampeggià.
5.2 Funzione Stereo True Wireless (TWS)
The TWS function allows you to connect two ZEB-Astra 40 speakers for a stereo audio experience.

Image: Illustration depicting two ZEB-Astra 40 speakers wirelessly connected via TWS for enhanced sound.
- Ensure both ZEB-Astra 40 speakers are powered on and in Bluetooth mode, but not connected to any device.
- On one of the speakers (this will be the primary speaker), long-press the Play/Pause button until you hear a TWS pairing prompt.
- I dui altoparlanti si cunnetteranu automaticamente trà di elli. Una volta cunnessi, sentirete un sonu di cunferma.
- Avà, cunnette u vostru dispositivu mobile à l'altoparlante principale via Bluetooth cum'è descrittu in a sezione 5.1.
5.3 Multi-Connectivity Options
L'altoparlante supporta diverse fonti d'input:
- Riproduzione USB: Inserite una chiavetta USB in u portu USB. L'altoparlante passerà automaticamente in modalità USB è cumincierà à riproduce l'audio. files.
- Riproduzione Micro SD: Insert a Micro SD card into the mSD slot. The speaker will automatically switch to mSD mode and begin playing audio files.
- Ingressu AUX: Connect an external audio device (e.g., MP3 player, laptop) to the AUX port using the provided 3.5mm audio cable. Press the Mode button to switch to AUX mode.
- Radio FM: Press the Mode button to switch to FM Radio mode. Long-press the Play/Pause button to auto-scan and save available FM stations. Use the Volume Up/Down buttons to navigate between stations.
5.4 Media and Volume Control
Use the control buttons on the top panel of the speaker:
- Play/Pause: Appughjà brevemente per ghjucà o mette in pausa l'audio.
- Volume Up / Next Track: Appughjà brevemente per aumentà u vulume. Appughjà longu per saltà à a traccia dopu.
- Volume Down/Traccia Precedente: Appughjà brevemente per diminuisce u vulume. Appughjà longu per saltà à a traccia precedente.
5.5 Funzione Call
When connected via Bluetooth to a smartphone, the speaker supports hands-free calling.

Image: Illustration showing a smartphone connected to the ZEB-Astra 40 speaker for hands-free calling.
- Rispondi à a chjama: Appughjà brevemente u buttone Play/Pause quandu una chjama entrante sona.
- Chjama finita: Short press the Play/Pause button during a call to hang up.
- Reject Call: Appughjà longu u buttone Play/Pause quandu sona una chjama entrante.
5.6 Luci LED RGB
The speaker features colorful RGB LED lights to enhance your listening experience.

Image: Close-up of the ZEB-Astra 40 speaker displaying its vibrant RGB LED lights on the side panels.
Short press the Mode button to cycle through different RGB lighting modes or to turn the lights off.
5.7 Display LED
The integrated LED display provides useful information.

Image: Close-up of the ZEB-Astra 40 speaker's LED display showing 'BLUE' indicating Bluetooth mode.
The LED display shows the current mode (e.g., "BLUE" for Bluetooth, "FM" for radio), volume level, and battery status.
6. Mantenimentu
6.1 Pulizia
To clean the speaker, use a soft, dry cloth. Do not use harsh chemicals, cleaning solvents, or strong detergents, as these may damage the surface or internal components.
6.2 Splash Proof Feature
The ZEB-Astra 40 features a splash-proof design, offering protection against light splashes of water.

Image: The ZEB-Astra 40 speaker with water droplets on its surface, illustrating its splash-proof capability.
Important: This speaker is splash-proof, not waterproof. Do not immerse it in water or expose it to heavy rain or direct water jets, as this will cause damage and void the warranty.
6.3 Storage
When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the battery is partially charged before storing to maintain battery health.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| L'altoparlante ùn s'accende micca. | A batteria hè scaricata. | Caricate l'altoparlante cù u cavu Type-C furnitu. |
| Ùn si pò micca accoppià via Bluetooth. | L'altoparlante ùn hè micca in modu di accoppiamentu o digià cunnessu à un altru dispositivu. | Ensure the speaker is in Bluetooth pairing mode (flashing LED). Disconnect from any other device. Ensure your device's Bluetooth is on and within range. |
| Nisun sonu. | U vulume hè troppu bassu o silenziatu. Modu d'input incorrectu. | Increase the volume on both the speaker and your connected device. Press the Mode button to select the correct input source (Bluetooth, AUX, USB, mSD, FM). |
| Pessima ricezione FM. | Segnale debule. | Move the speaker to a location with better signal reception. Extend the antenna if available (not explicitly mentioned for this model, but general advice). |
| L'accoppiamentu TWS fiasca. | Speakers are already connected to a device or not in TWS pairing mode. | Ensure both speakers are disconnected from any Bluetooth device. Follow the TWS pairing steps precisely. |
8. Specificazioni

Image: The ZEB-Astra 40 speaker highlighting its 20W RMS output, dual 5.2cm drivers, and dual passive radiators for powerful audio.
| Feature | Detail |
|---|---|
| Nome di mudellu | ZEB-ASTRA 40 |
| Tipu di parlante | Speaker Portatili |
| Materiale | Plastica |
| Potenza massima di output di Speaker | 20 Watts RMS (10W + 10W) |
| Dimensione di u driver audio | 5.2 Centimetri (Doppiu Driver) |
| Radiatori passivi | Dual |
| Tecnulugia di cumunicazione wireless | Bluetooth v5.3 |
| Tecnulugia di cunnessione | BT v5.3, USB, mSD, AUX, FM Radio |
| Batteria Vita Media | Finu à 8 ore (à 50% di vulume, LED spento) |
| Portu di carica | Tipu-C |
| Funzioni spiciali | TWS Function, RGB LED Lights, Splash Proof, Multi-Connectivity, Call Function, LED Display |
| Metudu di cuntrollu | Touch Buttons |
| Dimensioni di u produttu (L x W x H) | 37.3 cm x 6.5 cm x 6.5 cm (circa) |
| Pesu di l'articulu | 622 grammi |
| Culore | Neru |

Image: The ZEB-Astra 40 speaker with its approximate dimensions: 37.3cm length, 6.5cm width, and 6.5cm height.
9. Garanzia è Support
9.1 Garanzia infurmazione
The ZEBRONICS Astra 40 Portable Bluetooth Speaker comes with a 1 Anni di Garanzia da a data di compra. Questa garanzia copre i difetti di fabricazione in cundizioni d'usu nurmale. Per piacè cunservate a vostra ricevuta di compra cum'è prova di compra per e richieste di garanzia.
The warranty does not cover damage caused by misuse, accident, unauthorized modification, or exposure to conditions beyond the product's specifications (e.g., immersion in water despite being splash-proof).
9.2 Assistenza Clienti
For any technical assistance, warranty claims, or product-related inquiries, please contact ZEBRONICS customer support through their official website or the contact details provided in your product packaging. Please have your model number (ZEB-ASTRA 40) and purchase details ready when contacting support.
You can visit the official ZEBRONICS websitu per più infurmazione è risorse di supportu: www.zebronics.com





