Replacement and Upgradation of the Existing Audio-Visual System for the Seminar Hall in the Administrative Block, First Floor, including supply, installation, testing and commissioning of audio and visual equipment

SITC of Two-way Small Format high SPL IP55 rated (as per IEC 60529) all weather surface mount loudspeaker. The loudspeaker shall meet the following performance criteria: Frequency Range (-10 dB) of 80 Hz - 18 kHz or better; Nominal Dispersion : 90°H x 60°V (rotatable Horn); Power handling of 1000W peak or more; Sensitivity : 93 dB; Max SPL : 122dB Peak; Nominal impedance of 8 ohms and Integral multi-tap Transformer with selectable tap settings of 10/20/40/80W@70V & 100V. The loudspeaker system shall be comprised of a Powder-coated finish stainless steel grille with Two-part spray polyurea coating Enclosure; Enclosure Material Exterior-grade plywood, Single 8-inch woofer; Single 2-inch voice coil high-frequency compression driver; U bracket shall be included. All as per the direction of Engineer in charge including necessary accessories and connectors Warranty : 3 years Prefered Make: Bose Professional/Meyer Sound/Renkus-Heinz

SITC of Powered Loudspeaker for multiple applications with ,Max Spl - 109dB or better , Frequency Response (+/-3 dB) -62-17khz or better , nominal dispersion 120° H x 50° V or better, shall have built-in class D amplifiers ,connectivity -2 combo XLR - ¼" inputs,3.5 mm input Bluetooth input,¼" TRS line output Versatile, portable, powerful — Wireless Speaker With a 3-channel mixer, you can stream a playlist, plug in a microphone, or your favorite instrument. Optional adding wireless RF accessories for mics and instruments. It should have Bluetooth version 5 or better . it can be played through app . type of product material is Aluminum Polypropylene. Audiences up to 50, Stereo, Party Mode (When Enabling Two Speakers).Battery life 11 hours or better , battery charging time – 5 hours or better , Bluetooth range 9 meters or better . All as per the direction of Engineer in charge including necessary accessories and connectors Warranty : 3 years Prefered Make: Bose Professional/Meyer Sound/Renkus-Heinz

SITC of class D amplifier with 4 x 300 W Load-independent outputs deliver full channel power to either low-impedance (4-8 Ω) or high-impedance (70/100V) loads without bridging. Amplifier shall have frequency response of 20 Hz to 20 kHz, THD+N at rated power less than 0.04%. Dynamic Range ≥ 100 dBA (at rated power). Audio Latency < 1 ms (any analog or Digital input to loudspeaker output), The amplifier shall meet or exceed the following performance specifications: channel separation (crosstalk) greater than 80 dB. The amplifier shall have 4 line-level inputs with selectable input sensitivity settings ( -10 dBV, 4 dBu and 14 dBu) for balanced line-level inputs and possibility of 8 or more no .of digital Audio channels . The amplifier shall offer a master mute connection for use with external dry contacts, normally open or normally closed, to mute all outputs of the amplifier, Indicators & Controls: Power LED, Input Signal LED, Output Limit LED, Mains Voltage 100 VAC – 240 VAC (±10%, 50/60 Hz). All as per the direction of Engineer in charge including necessary accessories and connectors Warranty : 3 years Prefered Make: Bose Professional/Meyer Sound/Renkus-Heinz

SITC of INPUT PROCESSING:-dbx Compression, AFS™ (Advanced Feedback Suppression), 31-Band Graphic EQ, 12-Band Parametric EQ (with narrow notch capabilities), Subharmonic Synthesis, Backline Delay, Noise Gate. OUTPUT PROCESSING:- Crossover (supports full range up to mono 6-way systems), 12-Band AutoEQs (8 AutoEQ bands, 4 User bands), dbx Compression, Automatic Gain Control, Subharmonic Synthesis, Noise Gate, Tower Delays (up to 1000ms per output), 8-Band Parametric EQs (used for speaker tunings), dbx Limiting, Driver Alignment Delays. TESTED WIRELESS ROUTERS:- Dlink 636L, Dlink Cloud router 2000, Cisco / linksys: WRT54G2V1, Netgear WGR614 v7, Netgear WNR 1000 All as per the direction of Engineer in charge including necessary accessories and connectors Prefered Make: Bose Professional/Meyer Sound/Renkus-Heinz

Supply, installation, testing and commissioning of a gooseneck condenser microphone system with base, comprising an electret condenser microphone with cardioid polar pattern, frequency response of 50 Hz–17 kHz, output impedance of approximately 150 Ω (EIA rated), sensitivity of approximately –35 dBV/Pa at 1 kHz, maximum SPL of approximately 124 dB at 1 kHz, equivalent output noise of approximately 28 dB SPL (A-weighted), signal-to-noise ratio of approximately 66 dB, dynamic range of approximately 96 dB, common-mode rejection of minimum 45 dB, preamplifier output clipping level of approximately –6 dBV, and phantom power requirement of 11–52 V DC at approximately 8 mA. The microphone shall be provided with a suitable base incorporating an ON/OFF or mute switch, necessary preamplifier and audio output connector, and a flexible gooseneck stem for convenient positioning during speech and conference applications. The system shall include all necessary cables, connectors, mounting accessories and other components required for proper installation and operation, as directed by the Engineer-in-Charge, and shall be compatible with the existing audio mixer/amplifier system. The quoted rate shall include supply, installation, testing, commissioning and demonstration of satisfactory operation. Warranty: Minimum 3 years. Preferred makes: Shure / Sennheiser / Beyerdynamic or equivalent reputed makes conforming to the specified technical requirements.

Supply and installation of Wireless Microphone sytem with following specification: Cardioid Microphone - range of up to 300 feet (100m), you can take the show into the crowd without interruption.BATTERY LIFE – 14 hours of power Because BLX transmitters get up to 14 hours of power from a single pair of AA batteries Warranty: 3 years Prefered Make: Sure/Sennheiser/Beyerdynamic

Supply, Installation, Testing and Commissioning of Wireless Head-Worn Microphone System for Speech Applications, comprising a lightweight electret condenser headset microphone with cardioid polar pattern, flexible adjustable microphone boom, windscreen for reducing breath and wind noise, and TA4F (TQG) or compatible connector; wireless bodypack transmitter with RF output power as per manufacturer's specifications, minimum 8 hours of battery operating time and provision for secure belt mounting; and a compatible single-channel wireless receiver with diversity reception, multiple selectable channels, adjustable squelch control, RF signal indication, audio level control, and balanced XLR and 6.35 mm (¼-inch) audio outputs, wherever supported by the offered model. The complete system shall provide clear and intelligible speech reproduction, reliable wireless signal reception and effective rejection of unwanted background noise, and shall be compatible with the existing audio mixer/amplifier system. The equipment shall operate on wireless frequencies permitted for use in India and shall be supplied with all necessary accessories, batteries, power adapter, connecting cables and user manuals, complete in all respects. The rate shall include supply, installation, testing, commissioning and demonstration of satisfactory operation, with a minimum 3-year warranty. Preferred makes: Shure / Sennheiser / Beyerdynamic or equivalent reputed makes conforming to the specified technical requirements.

SITC of wireless lavalier microphone system. Microphone with following specification: Unobstrusive clip-on microphone for hands-free operation and compact bodypack transmitter True diversity receiver with metal housing External antennas Automatic frequency management and synchronization via remote channel for easy setup Fully tunable over a wide range of UHF frequencies Rackmount kit included Up to 12 compatible channels. Top specs:- Dimensions approx. 200 x 42 x 127 mm,Frequency range 821.000 - 832.000; 863.000 - 865.000, Pickup pattern Omni directional, Sensitivity< 3 μV at 52 dB(A)rms S/N,Signal-to-noise ratio≥ 103 dB(A),Transducer type Permanently-polarized condenser, Connection Wireless, Battery & Power-Battery capacity (Ah)2.3 ,Battery count 2 Battery included, Battery voltage (V)1.5, Battery operating time (h)approx. 10 hrs, Electrical Properties Sensitivity< 3 μV at 52 dB(A)rms S/N, Output voltage'1/4“ (6.3 mm), jack socket (unbalanced): +6 dBu, XLR socket (balanced): +12 dBu Warranty: 3 years Prefered Make: Sure/Sennheiser/Beyerdynamic

Supply and fixing High Speed HDMI Cable with Ethernet |4K@30Hz | ARC | 10.2 Gbps | 15.0 m with popup connectivilvity as specified below including supply of two sets of 3 metre HDMI Cables HDMI Cables -3 MTR - 2 set HDMI Cables -15 MTR, Popup , connectors, Accessories Popup box as per following specification Retractable Unit with 1 Compartment, Ultra-Slim Design, Matt Aluminum Finish, 4 Modules, Length-120MM, Width 142.5MM, Depth :57MM - 1 set Retractable Unit with 1 Compartment, Ultra-Slim Design, Matt Aluminum Finish, 8 Modules, Length-120MM, Width 275MM, Depth :57MM - 1 set Prefered Make: Kramer/Belkin/Nedis

Supply and laying of high quality Mic cable with starnded overall shieldong including PVC conduits if required Approved Makes:BELDEN/ Euro/KLOTZ