Vehicle Megaphone With USB/Sd Player & Looper (25W max)

Vehicle Megaphone with USB/SD Player, Looper & Bluetooth (25 W max) -- AVSL 952.007UK (VM25BT)

Overview

The AVSL 952.007UK (often referred to as VM25BT) is a heavy‑duty vehicle‑mountable megaphone system designed for mobile public address, alerts and announcements. It is suitable for emergency services, event control, and other mobile public address needs.

Design and Build Quality

• The main unit features an ABS‑moulded body for lightweight durability, paired with a metal mounting bracket to secure it to a vehicle roof.
• A removable suction cup base enables temporary vehicle mounting or repositioning as needed.
• The wired handset houses the microphone as well as the control interface, including ports for USB, SD card, and auxiliary input, ensuring all primary functions are easily accessible.
• The weather‑resistant construction has an IP66 rating, capable of withstanding dust ingress and heavy water spray -- suitable for outdoor/mobile use in challenging conditions.
• Power supply is via 12 V DC (connectable through a vehicle lighter‑cigarette type socket), with a generous 5 metre supply lead; microphone lead is ≈ 4 metres, offering flexibility in placement.

Key Technologies and Features

• 25 W Internal Amplifier: provides strong volume for projecting announcements across large open spaces or road‑side environments.
• USB / SD Media Playback: play audio files directly from USB sticks or SD cards; useful for pre‑recorded messages or music.
• Built‑in 120‑Second Speech Looper: record up to 2 minutes of speech and have it looped -- helpful for repeating warnings or instructions without continuous manual operation.
• Siren & Whistle Alerts: dedicated buttons for instantaneous activation of an alert tone or whistle sound--valuable in emergency or crowd‑control situations.
• Bluetooth Receiver: supports wireless streaming from a smartphone or similar device; also allows remote microphone function through compatible Bluetooth‑microphone apps.
• Multiple Audio Inputs: aside from Bluetooth, USB/SD, there is also a 3.5 mm auxiliary input (AUX) for connecting external audio sources.
• Long‑Reach Announcements: rated range between 700 m and 1 km under suitable conditions.

Specifications

Performance and User Experience

The VM25BT provides strong, clear voice projection suitable for roadside use, events, or emergency response. The 25 W amplifier delivers audible announcements over distance, especially when mounted on vehicle roofs. Users will find the speech looper especially useful for repeat messages, saving effort and ensuring consistency. The Bluetooth option gives flexibility for live or pre‑recorded audio, as well as remote mic capability via phone apps. The IP66 rating ensures reliability outdoors in wet weather or dusty environments. Mounting via suction cup is convenient for temporary installation, though permanent bracket fixing offers better stability at speed or on rough terrain. Overall, it balances portability, durability, and flexibility for professional or semi‑professional use.

Q&A Section

• Q: Can I power this device without using the vehicle lighter socket?
  A: The unit is designed for 12 V DC via the lighter‑type socket. For alternative powering, you would need a compatible 12 V DC power supply with correct connector (DC5521) and adequate current rating.
• Q: Is the 120‑second looper editable or only record‑then‑play?
  A: It allows recording up to 120 seconds and looping that recording. It doesn't support editing or partial deletion once a message is recorded; it is meant for basic playback repetition.
• Q: How loud is 25 W in practical terms?
  A: It is adequate for projecting announcements across a few hundred metres in open conditions. The stated range is between 700 m to 1 km depending on environment and ambient noise. It will be less effective in very noisy or obstructed areas.
• Q: Can it be used in heavy rain or wet weather?
  A: Yes -- with IP66 rating it is protected against powerful jets of water and dust ingress. However, connections (USB/SD/AUX) should be closed or covered where possible to maintain protection.
• Q: Can I use my phone as a live microphone via Bluetooth?
  A: Yes -- the integral Bluetooth receiver allows wireless connection. If your phone or app supports microphone input over Bluetooth, you can use that to broadcast live voice through the megaphone.