The Marmitek BoomBoom 75 adds Bluetooth audio reception to any sound system that has an aux-in, line-in, or mp3-link input. It connects wirelessly to smartphones, tablets, laptops, and desktop computers equipped with Bluetooth, letting you stream music from your device without running cables between the source and the speakers.

The BoomBoom 75 supports A2DP stereo Bluetooth for CD-quality audio and pairs with up to 8 devices. A built-in rechargeable battery enables use away from mains power — for example in a car or outdoor setting — with up to 6 hours of playback and an automatic standby cut-off after 10 minutes without a connection.

Key Features

• Bluetooth V2.1+EDR, Class II, CSR chip — supports A2DP and AVRCP profiles
• Range: up to 10 metres with a Class 2 source; up to 30 metres with a Class 1 source
• Pairs with up to 8 Bluetooth devices; reconnects automatically to the last paired device
• 3.5 mm male audio output connects directly to aux-in, line-in, or mp3-link inputs
• Includes Mini Jack female to RCA converter cable for RCA-input audio systems
• Built-in Li-ion 140 mAh battery with up to 6 hours playback and up to 140 hours standby
• Powers via Mini USB for continuous use or battery charging
• Two-colour LED indicator (red/blue) for pairing and connection status
• Auto power-off after 10 minutes without an active Bluetooth connection

Product Benefits

• Turns any wired audio system into a Bluetooth speaker system — no replacement equipment needed
• A2DP stereo profile delivers CD-quality sound without compression artefacts audible through the aux input
• Up to 10 m range lets you control playback from an adjacent room without moving to the audio system
• Multi-pairing for up to 8 devices allows different household members to connect without re-pairing each time
• Battery operation makes it portable — usable in the car or away from a power outlet
• Auto shut-off prevents unnecessary battery drain when the source device goes out of range
• Pair password is 0000 — straightforward initial setup with any Bluetooth device

Technical Specifications

• Bluetooth Frequency: 2.4 GHz – 2.48 GHz ISM band
• Bluetooth Version: V2.1+EDR, Class II, CSR chip
• Supported Profiles: A2DP, AVRCP
• Multi-pairing: Up to 8 devices
• Range: Up to 10 metres (Class 2 source); up to 30 metres (Class 1 source)
• Audio Output: DC 3.5 mm male jack
• LED Indicator: 2-colour (Red / Blue)
• Power: Mini USB or internal battery
• Battery: Li-ion 140 mAh
• Standby Time: Up to 140 hours
• Battery Life (playback): Up to 6 hours
• Charging Time: 2 hours
• Energy Saving: Automatic power-off after 10 minutes without a connection

Why You'll Love It

• Works with iPhone, iPad, Android phone, Android tablet, Mac, or any PC with a Bluetooth dongle — no dedicated app required
• Included RCA adapter cable means it connects to older hi-fi systems and CD players as well as modern docking speakers
• The built-in battery means no power cable is needed when using it in the car or outdoors
• Compact size makes it easy to tuck behind a speaker or into a glove compartment
• Box includes everything needed: BoomBoom 75 unit, mini USB cable, USB power adapter, Mini Jack to RCA cable, and instruction manual