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SAST 100W High Power Constant Voltage Amplifier Bluetooth Public Address Home Amplifier Ceiling Speaker Column U Disk Wall-mounted Sound System Store Meeting Home Theater Combo

SAST•Amplifier

SAST 100W High Power Constant Voltage Amplifier Bluetooth Public Address Home Amplifier Ceiling Speaker Column U Disk Wall-mounted Sound System Store Meeting Home Theater Combo

CN¥91.80

SKU: 100247803259

Status:In Stock (36)

ID: 100103828251

Weight: 2000.00 g

Dims:300x200x100 mm

Specifications

maximum power: 300W and below
Type: Fixed pressure power amplifier and others

Variants / Sale Attributes

Style: [ST Special Offer] High Power Bluetooth 100W

Package Contents

Amplifier*1, 1-to-2 audio cable*1

Product Description

Overview

Brand: SAST
Model: ST-713
Type: Multifunctional Power Amplifier (Constant Voltage and Constant Impedance Amplifier)

Built-in Bluetooth module for wireless connectivity with devices such as smartphones, tablets, and computers

USB input supporting MP3 playback for extensive music enjoyment

Microphone input port (microphone sold separately) suitable for home entertainment, karaoke, and public announcements

LED display screen showing MP3 playback and operational status

Adjustable controls including Music Volume, Microphone Volume, Bass, Treble, and Mode selection

Durable metal panel design combining aesthetics with robust build quality

Supports both constant voltage (100V/120V/240V) and constant impedance (low impedance below 16Ω) speaker connections

Additional details

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Easy operation suitable for all ages with simple button controls

Power, Play/Pause, Next/Previous track, Volume adjustments

Auxiliary input (AUX) and radio function included

Additional details

Power supply: AC 110V/220V, 50Hz
Constant Impedance Amplifier: Low output impedance (<16Ω), typically stereo, uses OTL/OCL output circuits, delivers low voltage and high current, requires low-resistance speaker cables and short cable lengths for optimal sound quality
Constant Voltage Amplifier: High voltage output (100V/120V/240V), usually mono, uses output transformer, supports long-distance transmission (up to several kilometers), commonly used in broadcasting
Speaker Compatibility: Constant voltage speakers include transformers; constant impedance speakers do not require transformers
Connection: Supports parallel connection of multiple speakers according to quantity requirements via amplifier terminals (positive and negative)

Suitable for various environments including streets, office buildings, coffee shops, clothing stores, churches, and classrooms

Ideal for music enjoyment, relaxation, announcements, and background sound reinforcement

Emphasizes a premium listening experience with rich sound quality and advanced Bluetooth technology for fast and stable wireless connections

Designed for both home and commercial use with strong compatibility and partitioning functions

Microphone input enhances usability for entertainment and communication purposes

Additional details

Keywords: SAST, ST-713, Bluetooth amplifier, constant voltage amplifier, constant impedance amplifier, USB input, microphone input, MP3 display, bass and treble adjustment, wireless music, durable metal panel, easy operation

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