The Ahuja SSB-120DP is a medium-wattage PA mixer amplifier with a built-in digital MP3 player, made for public address installations in schools, places of worship, offices, hotels, factories and halls. Ahuja rates its power output at 120 W RMS at 10 percent THD, with 160 W maximum, and publishes the more conservative figures alongside it: 105 W RMS at 5 percent THD and 95 W RMS at 2 percent THD. Five microphone inputs and two auxiliary inputs cover announcements and music sources, the built-in player handles USB drives and SD or MMC cards with a remote control, and an instant transfer facility switches the amplifier to a 12 V car battery if the AC mains fails, so announcements continue through a power cut.
Key features
120 W RMS output at 10 percent THD, 160 W maximum (manufacturer ratings)
5 microphone inputs and 2 auxiliary inputs for speech and music sources
Built-in MP3 player with USB, SD and MMC card reader and remote control
Speaker outputs for 4 ohm, 8 ohm and 16 ohm loads plus 70 V and 100 V line systems
Cut and boost bass and treble tone controls, ±8 dB at 100 Hz and 10 kHz
Line output for a booster amplifier and preamplifier output for recording the programme
Instant transfer to 12 V DC car battery operation on AC failure, with a 5-LED output level meter
Reading the power rating correctly
PA amplifier wattage is only meaningful with its distortion figure attached, and Ahuja publishes the full set for this model. The headline 120 W RMS is measured at 10 percent THD; at the cleaner 5 percent THD point the amplifier delivers 105 W RMS, and at 2 percent THD it delivers 95 W RMS, with 160 W as the maximum output. Output regulation is 2 dB or better from no load to full load at 1 kHz. For system design, the practical approach is to total the wattage of the connected speakers or line taps and keep it comfortably within the rating that matches how clean the sound needs to be, rather than planning around the maximum figure.
Inputs, player and tone controls
The five microphone inputs are specified at 0.65 mV into 4.7 kohms, suitable for standard PA microphones, and the two auxiliary inputs accept 100 mV sources such as media players and tuners. The built-in MP3 player reads USB drives and SD or MMC cards and is operated with the supplied remote control, which makes background music playback possible without any external source. Frequency response is 50 Hz to 15,000 Hz within ±3 dB and the signal to noise ratio is 60 dB, figures aimed at clear speech reproduction. Bass and treble controls are of the cut and boost type, each offering ±8 dB at 100 Hz and 10 kHz respectively, and a 5-LED array on the front panel shows the output level so the operator can see overload approaching. A line output feeds a booster amplifier for larger systems, and a preamplifier output (200 mV into 600 ohms; line output 1 V into 1 kohm) allows the programme to be recorded.
Speaker outputs and power supply
Speaker outputs cover both wiring methods used in Indian PA work: direct low-impedance connections at 4, 8 and 16 ohms, and 70 V and 100 V constant-voltage line outputs for distributed speaker runs with line matching transformers. The amplifier runs on 220 to 240 V AC at 50/60 Hz, consuming 250 VA, and accepts a 12 V car battery input drawing 5.5 A on average for DC operation. The unit measures 420 x 135 x 295 mm and weighs 11 kg, sized for a desk, shelf or equipment cabinet with ventilation space around it.
For a single-zone installation that needs several microphones, background music from a card or USB drive and dependable operation through power cuts, the SSB-120DP combines the amplifier, mixer, player and battery changeover in one unit, backed by Ahuja’s published, distortion-referenced power figures.
Additional Information
Specifications
Power output
120 W RMS at 10 percent THD, 160 W maximum (manufacturer rated)
Power at lower distortion
105 W RMS at 5 percent THD, 95 W RMS at 2 percent THD
Built-in MP3 player with USB, SD and MMC reader and remote control
Speaker outputs
4 ohm, 8 ohm, 16 ohm, 70 V and 100 V line
Frequency response
50 Hz to 15,000 Hz (±3 dB)
Signal to noise ratio
60 dB
Tone controls
Bass ±8 dB at 100 Hz, treble ±8 dB at 10 kHz
Line and preamp outputs
Line 1 V/1 kohm, preamp 200 mV/600 ohm
Power supply
AC 220 to 240 V 50/60 Hz, DC 12 V car battery with instant transfer on AC failure
Power consumption
AC 250 VA, DC 5.5 A
Output monitoring
5-LED array for output level
Dimensions
420 x 135 x 295 mm
Weight
11 kg
Brand
Ahuja
Model / SKU
AHUJA-SSB-120-DP
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 SSB 120 DP Mixer Amplifier 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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