The Ahuja ABA-4000 is a high-performance 325-Watt RMS 2-way bi-amplified active loudspeaker engineered for live vocal performances, public address, stage monitoring, touring PA, and institutional sound reinforcement.

• Brand: Ahuja
• Model: ABA-4000
• System Type: 2-Way Bi-Amp Active Loudspeaker / Stage Monitor
• Power Output (RMS): 325W RMS Total (LF: 275W RMS Class H, HF: 50W RMS Class AB at 1% THD)
• Transducer Configuration: 30.48 cm (12-inch) LF Woofer (6.35 cm / 2.5-inch Voice Coil) + Dynamic Horn Compression Driver with Titanium Diaphragm (4.44 cm / 1.75-inch Voice Coil)
• Frequency Response: 50 Hz to 20,000 Hz (±3 dB)
• Crossover Frequency: 2 kHz (Filter Slope 24 dB/octave)
• Signal-to-Noise Ratio: 60 dB
• Output Regulation: ≤ 0.5 dB (no load to full load at 1 kHz)
• Input Channels: Input 1: Switchable Balanced Mic (20 mV/3 kΩ) / Line (775 mV/10 kΩ) via push button; Input 2: Balanced 6.3 mm Jack (250 mV/20 kΩ) / Dual RCA Stereo (250 mV L&R/10 kΩ)
• Audio Outputs: Balanced XLR output switchable between Loop-through (Input 1) and Mixed Output (Input 1 + Input 2)
• Tone Controls: Active Bass (±5 dB at 100 Hz) and Treble (±5 dB at 10 kHz) adjustment
• Enclosure & Mounting: Heavy-duty molded plastic cabinet with integrated carry handle and standard stand-mount socket
• Protection & Status: AC Fuse 1x4A (T 4A L), DC Fuse 2x6A (T 6A L); Power, Fault, and Clip LED indicators
• Power Requirement: AC 220–240 V, 50/60 Hz; AC Power Consumption: 375 VA
• Physical Dimensions & Weight: 38.5 cm (W) × 58.5 cm (H) × 30.5 cm (D); Weight: 20.80 kg