Tender for SITC of AV System at Auditorium of NABARD HO

Equipment Type: Gooseneck Microphone Specifications: Supplying, installation, testing and commissioning of Gooseneck Microphone as per following specification. Should have minimum length of 15" Should be a Condenser microphone and support cardioid polar pattern . Should have XLR / Modular type connector at base Should have Frequency response: Minimum 50 Hz – Maximum 17 kHz or better. Should have Sensitivity: Not less than --40 dBV/Pa (10 mV/Pa) or better. Should have Equivalent self-noise: 28 dB(A) or less. Should support Maximum sound pressure level: 120 dB SPL or more Should have Impedance 170 Ω or less. Should show status indication

Equipment Type: Gooseneck Microphone Doc Specifications: Supplying, installation, testing and commissioning of wired Gooseneck Microphone Base Station for podium as per following specification. Should have table mount for gooseneck mic item under Sr no # 1.01 Should have wired mic input Should have 3- pin XLR connector. Should have mic mute and unmute option from base station.

Equipment Type: Wireless Base Transmitter Specifications: Supplying, installation, testing and commissioning of the base transmitter for Wireless Gooseneck Microphone as per following specification. Should be capable of being mounting on table Should be supplied with same OEM lithium-ion rechargeable battery. Should have minimum operating minimum 8 operating hours or more Should support mute / unmute button. Should supply with necessary accessories. Should be compatible and from the same OEM as Gooseneck Mic under Sr.no # 1.01 Should be supplied with compatible Rechargable Batteries.

Equipment Type: Charging Station Specifications: Supplying, installation, configuration, and commissioning of charging station as per following specification. Should support at least four or more charging slots to simultaneously charge multiple batteries or wireless base transmitters under Sr no # 1.03 Should be fully compatible with the rechargeable batteries. Should be supplied with all required power adapters, cables, and connectors necessary for complete operation.

Equipment Type: Wireless Handheld Microphones with Receiver Specifications: Supplying, installation, testing and commissioning of the Wireless Handheld Microphone Transmitter and Receiver set as per following specification. Should have cardioid polar pattern Should support frequency response of 50 Hz- 15 KHZ or better Should support sensitivity of Not less than –54 dBV/Pa (2.0 mV/Pa) Should operate over a range of 100 m or more. Should include audio mute functionality. Should be supplied with lithium-ion rechargeable battery that support minimum of 8 hrs continuous operation Should support automatic frequency setup and synchronization Should be supplied with all accessories. Should be supplied with compatible Rechargeable Batteries. (Tenderer should supply 4 Handheld mic with suitable receivers. receiver can be single receiver unit or multiple units to fulfil the requirement)

Equipment Type: Charging Station Specifications: Supplying, installation, testing and commissioning of the Wireless Handheld Microphone Battery Charging Station as per following specification. Should be Desktop or rack-mountable multi-bay charger suitable for rechargeable batteries. Should support minimum 4 charging slots to simultaneously charge multiple batteries or wireless handheld transmitters Should be fully compatible with the rechargeable batteries used under Sr no #1.05 Should be supplied with all required power adapters, cables, and connectors.

Equipment Type: Mic Antenna Specifications: Supplying, installation, testing and commissioning of the Active Mic Antenna as per following specification. Should be from the same OEM as Wireless Microphone Receiver under Sr.no #1.03 Should be active directional, log-periodic antenna designed for use with wireless microphone receiver systems. Should operate over a frequency supporting wireless handheld mic under Sr.no #1.05 and wireless gooseneck base transmitters under S.no #1.03 Should include selectable or variable RF gain to compensate for cable loss, with available gain settings up to +10b or more Should operate power supplied via coaxial cable from the receiver, antenna distributor, or external power supply. Should be suitable for ceiling mounting . Shall be supplied with mounting hardware, power cables, and interconnects as required for complete installation and operation. Should Supply with Antenna Booster and Antenna Splitter. (Tenderer should provide complete solution using Antenna, Antenna Booster and Antenna Splitter to fulfil the requirement)

Equipment Type: Mic Antenna cable Specifications: Supplying, installation, testing and commissioning of the Antenna Cable as per following specification. Should be compatible with Mic Antenna under Sr.no #1.07 Should be of coaxial type with a characteristic impedance of 50 Ω or better, suitable for use with UHF band antenna systems. Should be RG-58 or of superior specification to ensure minimum signal loss and optimal RF performance. Should have low attenuation characteristics and shall be properly shielded to minimize interference and signal degradation over the specified length. Length of cable should min 20 - 25m

Equipment Type: Audio DSP Specifications: Supplying, installation, testing, and commissioning of a digital signal processor as per following specification. Should have Minimum 16 analog mic/line channels and 8 Output channels onboard or through expander box Inputs shall support +48 V phantom power for condenser microphones. Outputs shall be balanced line-level. Should support AEC on 16 channels hardware-based or available through license from same OEM If AEC is license-activated, the required license(s) must be supplied with the system Should have Integrated USB audio interface or an expander USB box for conferencing applications (Microsoft Teams, Zoom, etc.). Should be of Open-architecture DSP supporting routing, mixing, EQ, dynamics, delay, and logic. Runtime operation shall be license-free once deployed. Should be Rack-mountable