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Adastra MM240 Mixer Amplifier 2 x 120W with DAB+ & Bluetooth

£34999
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Adastra MM240 is a compact 1U mixer-amplifier (mixer-amp) that combines mixing, media playback and stereo power in a single rack unit. It delivers 2 x 120W RMS into 4 Ohms, giving you enough headroom for a full music and voice installation or a mobile PA system. The built-in media player covers a DAB+/FM radio tuner, USB audio player, 3.5mm aux input and a Bluetooth receiver, so you can play back from a phone or tablet without any extra kit.

Three mono inputs connect via XLR and can be switched between microphone and line level, with switchable +20V phantom power on each for condenser microphones or D.I. boxes. Channel 1 includes a variable priority function, which ducks the other inputs when you speak, useful for announcements over music. Two stereo auxiliary line inputs use RCA (phono) connectors, and a stereo line output is provided for feeding other equipment. The Bluetooth receiver carries a unique serial ID so it stays identifiable in multi-unit setups.

Front panel controls cover media, three mic/line channels, two aux inputs, treble, bass and master level. Rear panel adjustments include the priority muting level plus mic/line and phantom DIP switches. Main left and right speaker outputs use standard Speakon (SPK) connectors, letting you run 2 or 4 speakers. A 24V emergency mute contact silences all channels except channel 1, which suits venues that need a clear override path. The unit runs from a 100-240Vac IEC supply, making it a practical fit for functions, conferences and fitness classes.

Specification
Power supply 100-240Vac, 50/60Hz (IEC)
Fuse T3.15A 250V
Inputs : Mic/Line 3 x XLR (bal/unbal)
Inputs : Aux 2 x L+R RCA
Input : line 3.5mm jack to media player
Audio source DAB+/FM tuner, USB player, Bluetooth receiver
Line output L+R RCA
Speaker outputs L+R SPK connector
Emergency control 24V contacts mute all except channel 1
Phantom power +20V (switchable channels 1-3)
Controls Media, 3 x Mic/Line, 2 x Aux, Treble, Bass, Master level
Rear panel controls Priority muting level, mic/line and phantom DIP switches
Input impedance 2.2k Ohms (mic/line), 10k Ohms (aux)
Frequency response : mic 20Hz - 18kHz
Frequency response : line 14Hz - 20kHz
Frequency response : aux 10Hz - 23kHz
Input sensitivity : mic/line -45dBV
Input sensitivity : aux/line -10dBV
Signal to noise ratio : mic 55dB
Signal to noise ratio : aux/line 60dB
Output power : 4 Ohms 2 x 120Wrms
Downloads

Product Manual

Frequently Asked

How much power does the MM240 output?

It delivers 2 x 120W RMS into 4 Ohms across the left and right channels, enough for a music and voice installation or a mobile PA.

What audio sources are built in?

The media player includes a DAB+/FM radio tuner, USB audio player, 3.5mm aux input and a Bluetooth receiver for playback from a phone or tablet.

Can I use condenser microphones?

Yes. Each of the three mic/line inputs has switchable +20V phantom power, so you can run condenser microphones or D.I. boxes.

How do the speaker outputs connect?

The main left and right outputs use standard Speakon (SPK) connectors, and you can wire in 2 or 4 speakers.

What does the priority function do?

Channel 1 has a variable priority function that mutes the other inputs when in use, ideal for making announcements over background music.

Is there an emergency override?

Yes. A 24V emergency mute contact silences every channel except channel 1, giving you a clear path for priority messages.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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    Description

    The Adastra MM240 is a compact 1U mixer-amplifier (mixer-amp) that combines mixing, media playback and stereo power in a single rack unit. It delivers 2 x 120W RMS into 4 Ohms, giving you enough headroom for a full music and voice installation or a mobile PA system. The built-in media player covers a DAB+/FM radio tuner, USB audio player, 3.5mm aux input and a Bluetooth receiver, so you can play back from a phone or tablet without any extra kit.

    Three mono inputs connect via XLR and can be switched between microphone and line level, with switchable +20V phantom power on each for condenser microphones or D.I. boxes. Channel 1 includes a variable priority function, which ducks the other inputs when you speak, useful for announcements over music. Two stereo auxiliary line inputs use RCA (phono) connectors, and a stereo line output is provided for feeding other equipment. The Bluetooth receiver carries a unique serial ID so it stays identifiable in multi-unit setups.

    Front panel controls cover media, three mic/line channels, two aux inputs, treble, bass and master level. Rear panel adjustments include the priority muting level plus mic/line and phantom DIP switches. Main left and right speaker outputs use standard Speakon (SPK) connectors, letting you run 2 or 4 speakers. A 24V emergency mute contact silences all channels except channel 1, which suits venues that need a clear override path. The unit runs from a 100-240Vac IEC supply, making it a practical fit for functions, conferences and fitness classes.

    Specification
    Power supply 100-240Vac, 50/60Hz (IEC)
    Fuse T3.15A 250V
    Inputs : Mic/Line 3 x XLR (bal/unbal)
    Inputs : Aux 2 x L+R RCA
    Input : line 3.5mm jack to media player
    Audio source DAB+/FM tuner, USB player, Bluetooth receiver
    Line output L+R RCA
    Speaker outputs L+R SPK connector
    Emergency control 24V contacts mute all except channel 1
    Phantom power +20V (switchable channels 1-3)
    Controls Media, 3 x Mic/Line, 2 x Aux, Treble, Bass, Master level
    Rear panel controls Priority muting level, mic/line and phantom DIP switches
    Input impedance 2.2k Ohms (mic/line), 10k Ohms (aux)
    Frequency response : mic 20Hz - 18kHz
    Frequency response : line 14Hz - 20kHz
    Frequency response : aux 10Hz - 23kHz
    Input sensitivity : mic/line -45dBV
    Input sensitivity : aux/line -10dBV
    Signal to noise ratio : mic 55dB
    Signal to noise ratio : aux/line 60dB
    Output power : 4 Ohms 2 x 120Wrms
    Downloads

    Product Manual

    Frequently Asked

    How much power does the MM240 output?

    It delivers 2 x 120W RMS into 4 Ohms across the left and right channels, enough for a music and voice installation or a mobile PA.

    What audio sources are built in?

    The media player includes a DAB+/FM radio tuner, USB audio player, 3.5mm aux input and a Bluetooth receiver for playback from a phone or tablet.

    Can I use condenser microphones?

    Yes. Each of the three mic/line inputs has switchable +20V phantom power, so you can run condenser microphones or D.I. boxes.

    How do the speaker outputs connect?

    The main left and right outputs use standard Speakon (SPK) connectors, and you can wire in 2 or 4 speakers.

    What does the priority function do?

    Channel 1 has a variable priority function that mutes the other inputs when in use, ideal for making announcements over background music.

    Is there an emergency override?

    Yes. A 24V emergency mute contact silences every channel except channel 1, giving you a clear path for priority messages.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.