The Ahuja BTA-660 is an all-in-one 40W portable active trolley PA system featuring built-in bi-amplification, dual wireless VHF microphones, digital media playback, and an internal rechargeable battery designed for clear mobile sound reinforcement.

• Make/Brand: Ahuja
• Model: BTA-660 / BTA-660M
• Power Output: 40W Max Bi-Amp (25W LF + 15W HF)
• Speaker Configuration: 203 mm (8") 4Ω Low Frequency driver and 8Ω High Frequency horn driver
• Audio Inputs: 2 x Wired Microphone (4mV/4.7kΩ), 2 x Wireless VHF Handheld Microphones, 1 x Aux (100mV/47kΩ), 1 x Music input (100mV/47kΩ)
• Priority Control: Mic-1 selectable priority override over background audio
• Media & Connectivity: Integrated MP3 digital player with Bluetooth streaming, USB, SD/MMC card slot, voice recording, and IR remote control
• Sound Shaping: Built-in digital echo processor with dedicated Bass (±5dB at 100Hz) and Treble (±5dB at 10kHz) tone controls
• Operating Range: Over 20 m line-of-sight wireless reception (quartz-controlled fixed frequency)
• Power Supply: 220V–240V AC 50/60Hz, External 12V DC input, or Internal 12V 7Ah rechargeable battery
• Cabinet Construction: Rugged moulded plastic trolley enclosure with retractable pull handle and transport wheels