The Ahuja TZA4000DPM is a two-zone PA mixer amplifier with a built-in digital MP3 player, made for public address installations that need announcements and background music from one unit. Ahuja’s published rating is 200 W plus 200 W RMS at 10 percent THD, with 300 W plus 300 W maximum, split across two independently controlled zones. Six microphone inputs, per-zone line connections and instant battery changeover complete the package.
Key features
200 W plus 200 W RMS output at 10 percent THD, 300 W plus 300 W maximum
Built-in MP3 player for USB and SD/MMC cards, with remote control and LCD display
Two zones with independent on/off control and separate line input and output
Six microphone inputs, two auxiliary inputs and stereo CD/music input
Stereo or mono operation for music and DJ programmes
Instant transfer to 24 V DC battery power if the AC supply fails
Resettable circuit breaker protection against overload and short circuit
Two zones, properly separated
Each zone feeds its own group of speakers and can be switched on or off independently, so two areas need not play at the same time or the same level. In mono mode the two zones run separate speaker groups simultaneously, while stereo operation suits music and DJ programmes. A line input and line output on each zone allow a mixer or a booster amplifier to be connected per zone, so the system can grow later without replacing the main amplifier, and a preamplifier output is provided for recording.
Built-in player and programme sources
The digital player reads MP3 files from USB drives and SD or MMC cards, with an LCD display, a remote control and a dedicated USB level control, which makes scheduled music and recorded announcements straightforward for staff who are not sound engineers. Alongside the player, the amplifier accepts six microphones at 0.6 mV, two auxiliary inputs at 100 mV, a stereo music input and line-level inputs, covering everything from a single lectern microphone to a full set of wireless receivers and media players. Bass and treble controls, each plus or minus 10 dB, shape the overall sound for the room.
Speaker outputs and driver protection
Each zone offers 4 ohm, 8 ohm, 70 V and 100 V speaker outputs, so the amplifier drives both low-impedance box speakers and long constant-voltage lines of ceiling or column speakers in the same installation. A box speaker and driver unit selector switch is fitted for each zone; at the driver unit position the bass boost is defeated, protecting horn driver units from low frequencies they are not built to handle. Output regulation is held within 2 dB from no load to full load, keeping announcement levels consistent as zones are switched.
Power, protection and build
The amplifier runs on 220 to 240 V AC mains and transfers instantly to 24 V DC from two 12 V car batteries if the mains fails, so announcements continue through a power cut. A resettable circuit breaker guards against overload and short circuit. Frequency response is 50 to 15,000 Hz plus or minus 3 dB with a 60 dB signal-to-noise ratio, the standard PA bandwidth for clear speech. The chassis measures W510 x H172 x D385 mm and weighs 24.2 kg. For venues that need music playback, two-zone control and battery-backed reliability in one amplifier, the TZA4000DPM covers the brief completely.
Additional Information
Specifications
Power output RMS
200 W + 200 W RMS at 10 percent THD
Power output maximum
300 W + 300 W maximum
Zones
2 zones with independent on/off control
Digital player
MP3 player with USB and SD/MMC card reader, remote control and LCD display
Microphone inputs
6 x Mic 0.6 mV / 4.7 kohm
Auxiliary inputs
2 x Aux 100 mV / 470 kohm, stereo L/R 200 mV, line L/R 1 V
Speaker outputs
4 ohm, 8 ohm, 70 V and 100 V for each zone
Frequency response
50 to 15,000 Hz plus or minus 3 dB
Signal to noise ratio
60 dB
Tone controls
Bass plus or minus 10 dB at 100 Hz, treble plus or minus 10 dB at 10 kHz
Outputs
Preamp 200 mV / 600 ohm, line 1 V / 1 kohm, line in and out on each zone
Power supply
AC 220 to 240 V 50/60 Hz, DC 24 V (2 x 12 V car battery)
Power consumption
AC 700 VA, DC 9 A
Protection
Resettable circuit breaker, instant transfer to DC power on AC failure
Dimensions
W510 x H172 x D385 mm
Weight
24.2 kg
Brand
Ahuja
Model / SKU
AHUJA-PA-TZA4000DPM
Category
Amplifier
Condition
Brand new, sealed box
Warranty
Official manufacturer warranty (India)
GST invoice
Yes, input credit available
Warranty Information
Buy with peace of mind. The Ahuja PA Amplifier TZA4000DPM comes with the official manufacturer’s warranty for India, valid from the date on your GST invoice. Pro Audio Video is a specialist audio video store, and every product we sell is brand new, sealed and sourced through authorised channels, so your warranty is honoured at brand service centres across India.
Official Indian warranty, as specified by the manufacturer
GST invoice with every order, needed for warranty claims
We help you raise and follow up warranty claims with the brand
Delivery and Shipping
Same-day dispatch on most in-stock orders
Delivery anywhere in India; delivery time depends on your location
Shipped securely in the original manufacturer box
Cash on delivery available on orders up to ₹45,000
Tracking details by SMS and email as soon as your order ships
Returns and Refunds
Not right for you? Return unused products in their original packaging within 7 days of delivery. If a product arrives damaged or defective, tell us within 48 hours with photos and we will replace it or refund you in full.
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