Answer:
The SSB-120DP integrates a digital MP3 player supporting USB flash drives and SD/MMC cards with an infrared remote control (remote requires cells; they are not included). It also features dual-power AC/DC operation with instant automatic failover to external 12V DC battery backup upon AC mains failure.
The Ahuja SSB-120DP incorporates built-in media playback and power redundancy features tailored for uninterrupted public address operations:
- Integrated Digital MP3 Player: Includes a front-loading digital media player with playback controls for USB flash drives and SD/MMC memory cards. It comes with a dedicated infrared remote control (remote requires cells; they are not included).
- Dual Power Supply with Automatic Changeover: Operates on standard AC mains (220–240V AC, 50/60 Hz, 250VA consumption) or external 12V DC supply (5.5A consumption). In the event of an AC utility failure, the unit automatically and instantly transfers to the connected 12V DC battery source to ensure uninterrupted broadcast.
- Tone Shaping & Visual Monitoring: Outfitted with cut-and-boost bass and treble tone controls (±8 dB / ±10 dB at 100 Hz and 10 kHz) and a 5-LED output level monitoring array on the front panel.
