Product Highlights

• 120 Watt Output Power
• 4 Microphone / Line Inputs
• Switchable Phantom Power
• Speaker Terminal Outputs
• Level Control for Each Input
• Bass and Treble Controls

The Bosch PLE-1ME60-US Plena Mixer Amplifier is a compact, yet powerful 60 watt amplifier and 4-channel mixer for providing background music and public address audio in commercial applications, office spaces or at home. The unit is easy to use with 4 line / microphone inputs, each with their own level controls on the front panel. Dedicated speaker terminals provide the output signal to speakers. There are treble and bass controls for signal contouring and switchable phantom power to condenser microphones.

Plena Economy mixer amplifiers are professional public address units with modern state-of-the-art features. They are easy to use, taking the complexity away from the user and putting it where it belongs, inside the equipment. Providing a crisp call or clear music is as easy as turning on the radio. Offering the essentials of public address in an affordable package.

Microphone and line inputs

All Mic/line inputs can be switched between microphone level and line level sensitivity. The inputs are balanced but can be used unbalanced. Phantom power can be switched on to provide power to condenser microphones.

Input channel 1 can take priority over all other microphone and music inputs: Input 1 can be activated by contact closure on the PTT (push to talk). A 2-tone chime can be configured to precede an announcement.

Music inputs

A separate music input is available with its volume control. The user can choose a music source like a CD player or radio (like the PLN-DVDT), and set the level of music.

Personalized settings
More unique features are available such as detachable labels where the user can write the names for inputs, music sources and zones. These labels can then be mounted on the front, protected by the clear window. Another useful feature is to indicate preferred settings on the front panel by inserting colored pins at the preset levels of all knobs. You can then instruct a user to set all the controls to the silver pins to configure the system for their particular use. A second user can set all controls to the red pins for their configuration.

Power
The mixer amplifiers come in 60, 120 and 240 Watt output power. This power is directly available on 70V constant voltage connections and on a low impedance connection for a 4 ohm load. Moreover, the amplifiers have a separate 70V call-only output channel for addressing areas where only priority announcements are required. The call-only output can also be used for 3-wire remote, volume control override.

Output status
An LED VU meter monitors the master output. A headphone socket, below the VU meter, provides the mixer output. For total reliability and ease of use, a limiter is integrated into the output stage to restrict output if the user applies too much signal.

Features:

• 4 microphone / line inputs, plus music source input
• Announcement only output, 3-wire volume override
• Wide range of output power (60, 120 and 240 Watts)
• 2-tone chime

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Mains power supply

Power consumption

Performance

Music input

Loudspeaker output

Loudspeaker output 4 ohm

Weight