The Ahuja TZA-4000EM is a professional two-zone PA mixer amplifier designed for reliable sound reinforcement in multi-speaker installations such as auditoriums, halls, worship spaces, venues, and events. It offers 6 microphone inputs and 2 auxiliary inputs, along with stereo music capability — making it versatile for announcements, live programs, and DJ music playback.
With separate outputs for two speaker zones, this unit lets you operate two groups of speakers independently in mono mode or together as needed. Each zone also features line inputs/outputs for connection to external mixers or booster amplifiers and a preamp output for recording. The included box/driver selector switch and bass-boost defeat help protect driver units and refine sound performance.
Built-in protections like a resettable circuit breaker safeguard against overloads and short circuits, while the amplifier can switch instantly to 24 V DC (car battery) support if AC mains power fails — an essential feature for uninterrupted public address use.
The amplifier delivers around 200 W RMS per zone with a frequency response of 50 Hz–15 kHz and tone controls for bass and treble adjustment, providing clear sound coverage for live and installed PA applications. It supports 4 Ω, 8 Ω, 70 V, and 100 V speaker outputs for flexible speaker system choices.
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