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60W Ultra Compact MixerAmplifier 100V USB/FM/BT

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Adastra UM30 Ultra Compact Mixer-Amplifier

Overview

The Adastra UM30 is a versatile 30W ultra-compact mixer-amplifier designed for small to medium-sized public address installations. It integrates a USB audio player, FM tuner, and Bluetooth wireless receiver, making it suitable for environments such as retail stores, offices, and educational facilities. Its efficient Class D amplifier design ensures reliable performance while retaining a compact design.

Design and Build Quality

Housed in a robust metal chassis and built for durability and ease of installation. The front panel features intuitive controls, including volume knobs for the microphone, line input, media playback, and master volume, as well as a clear display for media information. The unit can be mounted individually or paired with another UM series amplifier using the supplied hardware to fit into a 1U 19" rack space.

Key Technologies and Features

Specifications

Specification Details
Output Power (RMS) 30W
Power Supply 170-264V AC, 50Hz (IEC) or 24V DC
Amplifier Construction Class D with transformer output
Audio Sources Internal USB/FM/Bluetooth player
Inputs 1 x mic (6.3mm), 1 x line (2 x RCA), 1 x aux (3.5mm)
Line Output 2 x RCA (mono)
Speaker Outputs Screw terminals - 100V / 8Ω / Com
Dimensions (W x D x H) 249 x 210 x 44mm
Weight 2.35kg
Total Harmonic Distortion (THD) <0.4% @ 1kHz
Signal-to-Noise Ratio (SNR) 80dB (line), 75dB (mic)
Frequency Response 100Hz - 18kHz

Performance and User Experience

The UM30 delivers clear and consistent audio performance, making it ideal for background music and public address applications. Its user-friendly interface allows for straightforward operation, while the integrated media player provides flexible audio source options. The compact design facilitates easy installation in various settings, and the dual power supply options enhance its versatility.

Q&A Section

Q: Can the UM30 operate both 100V line and 8Ω speaker systems?

A: Yes, the UM30 supports both 100V line and 8Ω speaker configurations, but they should not be used simultaneously. Ensure you select the appropriate output based on your speaker system.

Q: How do I connect a Bluetooth device to the UM30?

A: Select the Bluetooth mode using the source button, then search for and pair with the device named "UM30" on your phone or tablet. No pairing code is usually required.

Q: Can I mount the UM30 in a rack?

A: Yes, the UM30 comes with brackets that allow two units to be mounted side-by-side in a 1U 19" rack space, offering a tidy installation option for multiple zones.

Q: What kind of speakers are compatible with the UM30?

A: The UM30 works with both low impedance (8Ω) and high impedance (100V line) speaker systems. Choose the appropriate output terminals for your speaker type.

Q: Is the USB media player plug-and-play?

A: Yes, the USB media player automatically reads and plays supported audio files upon USB stick insertion, with front panel control for play, pause, and track navigation.


Previous product: Australian Monitor AMIS120 120W Mixer Amplifier 100V
Australian Monitor AMIS120 120W Mixer Amplifier 100V
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