1. Introducció
The Soundstream VM-20B is a Single DIN mechless multimedia car stereo designed to provide efficient, hands-free access to media and communication tools in your vehicle. This unit replaces traditional CD slots with modern digital media options, offering a compact form factor for easy dashboard integration.
Key features include Bluetooth streaming, USB/Micro-SD playback, fast-charging support, and a built-in AM/FM tuner.
Figure 1: Front panel of the Soundstream VM-20B car stereo, showing the volume knob, display, USB ports, and control buttons.
2. Configuració i instal·lació
The VM-20B is engineered to fit most vehicles with its ISO 1-DIN chassis. A mounting sleeve is included to ensure a snug and secure installation. Its mechless design enhances reliability by eliminating moving parts, making it suitable for various driving conditions.
2.1. Procés d'instal·lació
- Preparació: Assegureu-vos que la bateria del vehicle estigui desconnectada abans de començar la instal·lació.
- Eliminar la unitat existent: Carefully remove the existing car stereo unit from the dashboard. Refer to your vehicle's service manual for specific instructions on panel removal.
- Mànega de muntatge: Insert the provided mounting sleeve into the vehicle's dashboard opening. Bend the multiple mounting tabs around the sleeve to secure it firmly.
- Connexions de cablejat: Connect the wiring harness from the VM-20B to your vehicle's wiring. Ensure all connections are secure and correctly matched (e.g., power, ground, speaker wires).
- Connexió d'antena: Connect the vehicle's antenna cable to the ANT input on the rear of the VM-20B.
- Slide Unit into Sleeve: Carefully slide the VM-20B head unit into the mounting sleeve until it clicks securely into place.
- Funcionalitat de prova: Reconnect the vehicle battery and test all functions of the stereo (power, audio, radio, Bluetooth, USB, AUX).
- Torneu a muntar: Reinstall any removed dashboard panels or trim pieces.
3. Instruccions de funcionament
3.1. Encendre/apagar
Premeu el botó Potència/Mode button to turn the unit on or off. A short press typically cycles through input modes.
3.2. Control de volum
Rotate the large central knob to adjust the volume level. Pressing the knob may mute/unmute the audio.
3.3. Selecció de mode
Premeu el botó Mode button to cycle through available audio sources: FM/AM Radio, Bluetooth Audio, USB, SD Card, and AUX Input.
3.4. Media Playback Options
- Reproducció USB: Insert a USB flash drive into the dedicated USB port. The unit supports MP3 and WMA file formats.
- Targeta MicroSD: Insert a Micro-SD card (up to 64 GB) into the designated slot for media playback.
- Entrada AUX: Connect external audio devices via the front-facing 3.5 mm AUX input.
3.5. Bluetooth & Wireless Audio Capabilities
The VM-20B features Bluetooth v4.0 for hands-free calling and high-quality audio streaming (A2DP). It also supports AVRCP for media playback control from your phone.
- Maridatge: Enable Bluetooth on your mobile device and search for the VM-20B. Select the unit from the list and confirm pairing.
- Trucades mans lliures: Once paired, you can make and receive calls directly through the car stereo.
- Transmissió d'àudio: Transmet música sense fil des del dispositiu vinculat.
3.6. AM/FM Radio Tuner
The built-in AM/FM tuner allows you to catch your favorite stations with ease. It stores 18 FM and 12 AM preset stations for quick access.
- tuning: Utilitza el Busca buttons to automatically find stations or manually tune.
- Presets: Press and hold a numbered button (1-6) to save the current station as a preset. Short press to recall a saved station.
3.7. Audio Performance and Output
The VM-20B integrates a 4-channel Class A/B amplifier with up to 300 watts max power. It includes a built-in 3-band equalizer with preset tone curves for sound customization.
- RCA Preamp Sortides: Four RCA preamp outputs (Front L/R + Rear L/R) are available for system expansion, such as connecting external ampamplificadors o subwoofers.
- Càrrega ràpida: One of the dual USB ports provides 2.1A fast charging for smartphones and other devices.
4. Manteniment
To ensure optimal performance and longevity of your Soundstream VM-20B car stereo, follow these maintenance guidelines:
- Neteja: Use a soft, dry cloth to clean the front panel and display. Avoid abrasive cleaners or solvents.
- Connexions: Periodically check all wiring connections for tightness and corrosion. Ensure the mounting sleeve remains secure.
- Actualitzacions de programari: Check the Soundstream official website for any available firmware updates to ensure the best performance and compatibility.
- Substitució de fusibles: If the unit loses power, check the fuse located on the rear of the unit. Replace it with a fuse of the correct type and amperació tal com s'especifica al manual.
5. Solució De Problemes
If you encounter issues with your Soundstream VM-20B, refer to the following common questions and solutions:
- Q: What devices are supported by the VM-20B?
A: The unit supports USB flash drives, Micro-SD cards, smartphones (via Bluetooth or AUX), and other audio devices. - P: Puc connectar un amplifier or subwoofer?
A: Yes, the 4ch RCA preamp outputs allow for integration with external ampamplificadors o subwoofers. - Q: Is it compatible with both Android and iOS devices?
A: Yes, Bluetooth and AUX functions work with all major mobile platforms. - Q: The unit has no power.
A: Check the vehicle's fuse box and the fuse on the back of the stereo. Ensure all power connections are secure. - Q: No sound from speakers.
A: Verify speaker wiring connections. Check the volume level and ensure the unit is not muted. Confirm the correct audio source is selected. - Q: Bluetooth pairing fails.
A: Ensure Bluetooth is enabled on your mobile device and the VM-20B is in pairing mode. Try restarting both devices.
6. Especificacions
- Pes de l'article: 1.09 lliures
- Dimensions del producte: 7.48 x 5.51 x 2.36 polzades
- Número de model de l'article: VM-20B
- Fabricant: Epsilon (Soundstream)
- Connectivitat: Bluetooth v4.0, Dual USB (1 for media, 1 for 2.1A charging), Micro-SD, 3.5mm AUX Input
- Sortida d'àudio: 4-channel Class A/B amplifier, 300 watts max power, 4ch RCA preamp outputs (Front L/R + Rear L/R), 3-band equalizer
- Sintonitzador: AM/FM with 18 FM and 12 AM preset stations
- Formats de mitjans: MP3, WMA
7. Garantia i Suport
The Soundstream VM-20B comes with a 1 anys de garantia del fabricant. For warranty claims, technical support, or further assistance, please contact Soundstream customer service or refer to the official Soundstream weblloc web per obtenir informació detallada sobre el suport.
