AT-SSA 4000 DP

AT-SSA-4000 DP: 400-Watt 7-Channel Professional PA Amplifier with USB/SD/MP3 and Bluetooth

The AT-SSA-4000 DP represents the next generation of professional public address powerhouses. Built for superior performance and reliability, this 400W mixer-amplifier is the ideal central unit for large venues, including schools, factories, hotels, and places of worship that require powerful, clear, and feature-rich audio distribution.

Key Features:-

• Robust Power: 400W RMS rated output for large-scale PA installations.
• 7 Input Mixer: Dedicated volume controls for 7 input channels (Mic/Aux), accommodating multiple microphones and external sources.
• Wireless Connectivity: Built-in Bluetooth for convenient audio streaming.
• Digital Media Playback: Supports USB, SD/MMC card playback via the integrated player.
• Versatile Output: Supports both Low Impedance (4/8Omega) and High-Voltage (70V/100V Line) speaker systems.
• Emergency Ready: AC operation with a 36V DC Battery Backup input.
• Tone Control: Master Bass and Treble controls for overall sound shaping.
• Protection: Features overload and short-circuit protection circuits.

 Specifications:-

• Power Output (RMS): 400W
• Frequency Response: 50 Hz to 15,000 Hz (pm 3dB)
• Input Sensitivity (Mic): 0.8mV/4.7kOmega (for 7 inputs)
• Input Sensitivity (Aux): 100mV/470kOmega
• Digital Player: USB, SD Card, MP3, Bluetooth
• Speaker Outputs: 4Omega, 8Omega, 70V Line, 100V Line
• Tone Controls: Bass (pm 10dB at 100 Hz); Treble (pm 10dB at 10 kHz)
• Power Supply: 220 – 240V  AC (50/60 Hz) / 36V DC (Battery)
• Dimensions: Rack-mountable design, approximately 480 x 160 x 360 mm.