General
Output power	150 W RMS
Programming performance	225 W
Current supply	AC 230 V or DC 24 V / 3 A
Battery voltage	24 V
Battery capacity	5 Ah
Battery operation	6 – 8 Hours
Speaker	10˝ woofer, 1.5˝ horn tweeter
Speaker system	2-way system
Inputs	Line In 6.3 mm jack, Line In Cinch, MIC XLR, MIC 6.3 mm jack
Outputs	MIX OUT 6.3 mm jack, Speaker OUT 4–16 Ohm
UHF reception	True Diversity, 863–865 MHz
UHF receiver	Integrated, 1-channel
Max. UHF modules	2
Sound control	2-band EQ
Functions	VOICE-OVER, True Diversity
Housing material	ABS plastic
Transport	Integrated rollers and retractable handle

The mobile speaker and amplifier system DSC-150 U1 from RCS Audio-Systems is a compact sound reinforcement solution for indoor and outdoor use. The device combines a 150 W Class-D power amplifier with a 2-way speaker system consisting of a 10˝ woofer and a 1.5˝ horn tweeter. Class-D technology ensures high energy efficiency, resulting in low power consumption and a battery runtime of 6 to 8 hours. Power supply is either via mains (AC 230 V) or via an integrated 24 V / 5 Ah battery, suitable for mobile applications without mains connection.

Applications
This system is designed for events, presentations, training sessions, and outdoor applications where clear speech intelligibility and musical presence are required. The high sound range and robust construction make it a reliable solution for temporary sound reinforcement in various environments.

Functions and Equipment in Detail
The DSC-150 U1 offers extensive connectivity options: inputs for line signals via 6.3 mm jack and RCA, as well as microphones via XLR and 6.3 mm jack. A MIX OUT via 6.3 mm jack and a Speaker OUT with impedance range of 4–16 Ohm allow system expansion with additional speakers. The VOICE-OVER function automatically prioritizes voice signals over playing music, which is useful for announcements and moderation. The integrated sound control includes a 2-band EQ for adjusting the sound to the room.

Technology Explained Simply
The Class-D amplifier operates with high efficiency, minimizing power consumption. The True-Diversity wireless technology, operating in the UHF band of 863–865 MHz, ensures stable signal transmission and minimizes interference. The device is equipped with an integrated 1-channel UHF receiver, with up to two additional UHF receiver modules being integrable. The use of ABS plastic for the housing provides a scratch- and impact-resistant surface, supporting mobile use.

Compatibility and Accessories
The system can be individually expanded: up to two UHF receiver modules (True Diversity) and a media player — either a CD multifunction player or a digital SD recorder — can be integrated. The connections allow interfacing with various microphones and line sources, as well as expansion with passive speakers via the Speaker Out connection.

Mounting and Installation
The system is designed for mobile use. The robust housing features integrated castors and an extendable telescopic handle, facilitating transport. Installation requires no additional mounting components; the device can be operated directly.

Operational Advantages
The combination of high output power, low power consumption, and integrated battery enables flexible use without mains connection. The True-Diversity wireless technology ensures reliable transmission, even in moving scenarios. Integrated transport features and robust construction support use in various environments.