SP-MB500U 500W Mixer Amplifier – Bluetooth, USB/SD, MP3, FM, AUX & Microphone Inputs, 70V/100V PA System Output
Overview:
• The SP-MB500U Mixer Amplifier is a 500W public address mixer amplifier designed for background music, paging, and voice announcement systems.
• It supports multiple audio input sources including Bluetooth, MP3, USB/SD, FM, AUX, Line Input, Microphone Input, and IR Remote Control.
• The amplifier includes AUX1 and AUX2 line inputs, making it suitable for connecting external audio sources such as media players, receivers, and audio processors.
• It provides MIC1 priority input, allowing important microphone announcements to override background music when needed.
• The amplifier supports 100V / 70V constant voltage speaker systems and 4Ω–16Ω speaker output, making it suitable for commercial PA, mosque, school, office, and retail sound systems.
Key Features:
• 500W Mixer Amplifier for professional PA sound systems.
• Bluetooth Audio Playback.
• USB / SD / MP3 Player Support.
• Built-in FM Radio.
• AUX1 & AUX2 Line Inputs.
• 3 Microphone Inputs: MIC1 Priority, MIC2, MIC3.
• MIC1 Priority Function for announcements.
• IR Remote Control support.
• 100V / 70V Constant Voltage Output.
• 4Ω–16Ω Low-Impedance Speaker Output.
• Power-On Delay Protection.
• Short Circuit Protection.
• Over-Temperature Protection.
• Stepless Fan Acceleration for cooling.
• LED Indicators: Power, Signal, Clip, Protect.
• Aluminum Front Panel for durable professional installation.
Technical Specifications:
• Model Name: SP-MB500U.
• Product Name: SP-MB500U 500W Mixer Amplifier.
• Product Type: Public Address Mixer Amplifier.
• Rated Power: 500W.
• Input Sources: Bluetooth / MP3 / USB / SD / FM / Line / Microphone / IR Remote Control.
• Line Inputs: AUX1 / AUX2.
• Line Input Sensitivity: 330mV.
• Microphone Inputs: MIC1 Priority / MIC2 / MIC3.
• Microphone Input Sensitivity: 10mV.
• Speaker Output Voltage: 100V / 70V.
• Speaker Impedance Output: 4Ω–16Ω.
• Protection Type: Power-On Delay / Short Circuit / Over Temperature / Stepless Fan Acceleration.
• Indicators: Power / Signal / Clip / Protect.
• Input Power: AC 230V / 50Hz.
• Panel Material: Aluminum Panel.
• Installation Type: Rack / Desktop PA Amplifier Installation.
• Application: Indoor Public Address & Background Music Systems.
Applications:
• Public address systems.
• Background music systems.
• Mosques and prayer halls.
• Schools and training centers.
• Offices and commercial buildings.
• Retail shops and showrooms.
• Hotels and restaurants.
• Warehouses and factories.
• Announcement and paging systems.
• 70V / 100V speaker line installations.
Connect Gates Recommendation:
• Recommended by Connect Gates for PA and background music projects that require a powerful 500W mixer amplifier, multiple input sources, MIC priority paging, and flexible 100V / 70V / 4Ω–16Ω speaker output for commercial and professional sound installations.