Extension Speaker 5W with filter

The Moonraker PMR-712 Extension Speaker (also known as CRT MS120 E) is a premium external speaker designed to deliver clearer, more controlled audio for CB and radio communication systems.

With a built-in noise filter and 8dB attenuation switch, this speaker gives you greater control over sound quality and volume — especially useful in noisy environments.

🔊 Enhanced Audio Control

✔ 5W output (8 Ohm)
✔ Clear, crisp voice reproduction
✔ Designed for communication clarity

🎚 Built-In 8dB Attenuator

• Reduces audio level when needed
• Prevents distortion at higher volumes
• Ideal for powerful radios

✔ Better control over loud audio

🔇 Switchable Noise Filter

• Helps reduce background noise
• Improves speech clarity
• Perfect for mobile environments

✔ Cleaner, easier listening

🔌 Universal 3.5mm Connection

• Standard 3.5mm jack plug
• Compatible with most CB and radio equipment

✔ Plug-and-play setup

🚗 Ideal for Vehicle Installs

• Perfect for radios mounted out of sight
• Improves audio direction and clarity
• Compact enough for dashboard mounting

📏 Compact & Practical Design

• Size: 110 x 40 x 95 mm
• Weight: 0.32 kg
• Cable length: 2 metres

✔ Easy to position where you need it

⚡ No External Power Needed

✔ Powered directly from your radio
✔ No batteries or PSU required

📡 Wide Compatibility

Suitable for:

• CB radios
• Ham / amateur radios
• PMR / two-way radios
• Mobile and base station setups

Key Features

• 5W external speaker
• 8 Ohm impedance
• 8dB attenuation switch
• Built-in noise filter
• 3.5mm jack connection
• Compact design

Why Choose This Speaker?

✔ More control than standard speakers
✔ Cleaner, clearer audio
✔ Ideal for noisy environments
✔ Simple upgrade with big impact

Ideal For

• Truck drivers
• 4×4 and off-road users
• Base station setups
• Users with powerful radios

Straight Talking

If a basic speaker isn’t cutting it, this gives you proper control over volume and clarity — especially when things get noisy.