The UPM-300 H/V is a compact 3-channel flush-mount mixer developed for professional fixed installations. It offers flexible audio control in a minimal footprint – ideal for conference rooms, classrooms, hotels, or presentation environments. The mixer provides three inputs: one microphone or line input via XLR, one stereo line input via RCA connectors, and an additional input via 3.5 mm jack for portable devices like iPods® or smartphones.

Each channel features an individual volume control and an assigned signal LED for easy level monitoring. The UPM-300 delivers a balanced output signal as standard, with a switchable output level of 0 dB or +6 dB, ensuring clean signal transmission. Installation is space-efficient in a standard 3-gang wall box or optional surface-mount housing, making it ideal for flush wall integration. With the optional PGA-300 cover, the mixer is even impact-resistant. For additional control, an optional 2-button keypad (UPM-002 S) is available.

Technical Data:

Model:

• UPM-300 H / V

Power supply:

• 24 V DC (external)

Power consumption:

• 40 mA

Inputs:

• 1x Microphone/Line (XLR, 18 V phantom power)
• 1x LINE 1 (RCA)
• 1x LINE 2 (3.5 mm jack)

Input sensitivities:

• Microphone: -63 dB
• LINE 1: -20 dB
• LINE 2: -20 dB

Output:

• Balanced
• Switchable output level: 0 dB or +6 dB
• Output impedance: 600 Ohm

Frequency response:

• 30 Hz – 20,000 Hz

Controls:

• Individual volume knob with signal LED per channel

Special Features:

• Impact-resistant with PGA-300 plexiglass cover
• Tool-free, user-friendly terminals
• Optional UPM-002 S 2-button keypad (normally open contacts)

Dimensions (W x H x D):

• 223 x 80 x 30 mm

Weight:

• 208 g

Scope of Delivery:

• 1x UPM-300 H/V flush-mount mixer
• Installation and wiring manual
• Mounting accessories (model-dependent)
• Optional accessories sold separately (keypad, housing, cover)