Ahuja SSB-45EM–45W RMS PA Mixer Amplifier (3 Mic & 1 Aux Inputs, AC/DC Operation)

Specification	Details
Brand	Ahuja
Model Name/No.	SSB‑45EM
Amplifier Type	PA Mixer Amplifier
Power Output	45 W RMS @ 10% THD, 40 W RMS @ 5% THD, 30 W RMS @ 2% THD; 64 W max
Input Channels	3 × Mic (0.65 mV/4.7 kΩ), 1 × Aux (100 mV/470 kΩ)
Frequency Response	100 Hz – 15 kHz ±3 dB
Signal-to-Noise Ratio	60 dB
Tone Controls	Bass: –10 dB @ 100 Hz; Treble: –10 dB @ 10 kHz
Preamplifier Output	200 mV / 600 Ω
Speaker Outputs	4 Ω, 8 Ω, 16 Ω & 100 V line
Power Supply	AC: 220–240 V, 50/60 Hz; DC: 12 V (car battery)
Power Consumption	AC: 110 VA; DC: 2 A
Dimensions (W × H × D)	280 × 120 × 270 mm
Weight	4.8 kg
Changeover Feature	Automatic transfer to DC power if AC fails
Protection	Wrong battery polarity protection
Country of Origin	India
Warranty	12 Months Manufacturer Warranty

About This Item

• 45W RMS PA MIXER AMPLIFIER — 3 MIC + 1 AUX INPUTS – Delivers 45W RMS (64W max) output with 3 microphone inputs and 1 auxiliary input for flexible audio mixing in classrooms, auditoriums, places of worship, and corporate PA systems.
• AUTOMATIC AC TO 12V DC CHANGEOVER – Seamlessly switches between AC mains (220–240V) and DC 12V car battery power during outages, ensuring uninterrupted PA system operation — critical for schools and event venues.
• INDIVIDUAL VOLUME KNOBS + BASS & TREBLE CONTROLS – Each mic input has an independent volume control; bass and treble tone shaping (–10dB @ 100Hz/10kHz) lets you tailor audio output precisely for any room acoustics.
• PREAMPLIFIER OUTPUT FOR SYSTEM EXPANSION – 200mV/600Ω preamp output allows connection to a booster amplifier or recording device, enabling scalable PA system setups for larger venues.
• MULTIPLE SPEAKER OUTPUTS — 4Ω, 8Ω, 16Ω & 100V LINE – Versatile output options for connecting a wide range of PA speakers, column speakers, or existing 100V line speaker networks in any commercial or institutional setting.
• MADE IN INDIA | 12-MONTH WARRANTY – Reliable Indian manufacturing for schools, colleges, offices, and houses of worship; 12-month manufacturer warranty for dependable long-term PA system use.

Frequently Asked Questions (FAQs)

1. What is the power output of this PA mixer amplifier?

The amplifier delivers 45W RMS output (64W maximum), making it suitable for small to medium-sized public address systems.

2. How many audio inputs does the amplifier support?

It features 3 microphone inputs and 1 auxiliary input, allowing multiple audio sources to be connected simultaneously.

3. Does the amplifier work during power outages?

Yes, it includes automatic AC to 12V DC changeover, enabling uninterrupted operation using a compatible 12V battery during power failures.

4. Can the audio settings be adjusted individually?

Yes, each microphone input has its own volume control, along with bass and treble controls for fine-tuning sound quality.

5. Can this amplifier be expanded for larger PA systems?

Yes, the built-in preamplifier output allows connection to booster amplifiers or recording devices for system expansion.

6. What types of speakers are compatible with this amplifier?

The amplifier supports 4Ω, 8Ω, 16Ω, and 100V line speaker outputs, making it compatible with a wide variety of PA speakers and column speakers.

7. Which institutions across Bihar can benefit from this PA mixer amplifier?

Schools, colleges, coaching centers, government offices, community halls, hospitals, and places of worship across Patna, Tirhut, Magadh, Munger, Bhagalpur, Purnea, Kosi, Saran, and Darbhanga Divisions can use this amplifier for clear and reliable public announcements.

8. Where is this PA mixer amplifier most suitable for deployment across Bihar?

The amplifier is ideal for educational campuses, auditoriums, religious venues, office complexes, training centers, event halls, and public announcement systems across Patna, Tirhut, Magadh, Munger, Bhagalpur, Purnea, Kosi, Saran, and Darbhanga Divisions, where dependable audio distribution and backup power support are essential.