GuideSpecifications• Wireless Induction LoopHearingAssistanceSystem

GuideSpecification

Wi-Fi HearingAssistanceSystem

SECTION 27 41 16.xx

RADIO COMMUNICATION SYSTEM & EQUIPMENT

WI-FIHEARINGASSISTANCESYSTEM

This document is intended to aid the specifier in developing a specification section for a Williams Sound Induction Wi-Fi Listening System for use in churches, schools, auditoriums, conference rooms, and theaters.

Editthis master specificationtosuityour projectrequirements.Modifyoradditemsasnecessary.Deleteitems,whicharenot applicable. Words and sentences within brackets [ ] reflect a choice to be made regarding inclusion or exclusion of aparticularitemorstatement.

This guide specification is based on the Construction Specifications Institute (CSI), Section Format standards. References to section names and numbers are based on MasterFormat 2004.

For specification questions, assistance with systems integration and specific product options contact:

Williams Sound LLC

10300 Valley View Rd

Eden Prairie, MN 55344

Ph: 800-328-6190 / 952-943-2252

FAX: 952-943-2174

Williams Sound reserves the right to modify these guide specifications at any time.Updates to this guide specification will be posted as they occur. Williams Sound makes no expressed or implied warranties regarding content, errors, or omissions in the information presented. Specifications modified or rewritten in excess of supplier’s standard processes, products, and procedures may void warranties and related remedies. Contact the office above regarding modifications and addition of new text.

SPECIFICATIONs

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MFS 104A

GuideSpecifications• Wireless Induction LoopHearingAssistanceSystem

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes: Equipment for transmitting sound signals for the hard of hearing, usingWi-Fi signal technology.

B. Wi-Fi Systems shall be (or be expandable to) 32 mono/16 stereo audio channels, with graphical content and channel list administered through a Venue Portal (via the internet), and audio and graphical content delivered to end devicesover a Wi-Fi connection.

C. System integration and performance depends on existing IT system architecture, access points used, wi-fi environment, and user end devices.

D. Users bring their own wi-fi-enabled devices to listen to the system; i.e. phone, tablet, etc. with earphones/headphones.

1.2 SUBMITTALS

A.General:Submitinaccordancewith Section01330.

B. Product Data: For each specific piece of equipment.

C. ShopDrawings: Detail equipment assemblies and indicate dimensions, weights, required clearances, methodof field assembly, components, and location of each field connection.

D. Closeout Submittals: Submit following in accordance with Section 01780.

1. Operation and Maintenance Data: For equipment.

1.3 QUALITYASSURANCE

A. Installer Qualifications: Experienced installer must have some IT experience and is an authorized representative of the equipment manufacturer for bothinstallation and maintenance of equipment required forthisSection.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by testing agency acceptable to authorities having jurisdiction.

C. Comply with NFPA 70.

D. Comply with UL 50.

1.4 WARRANTY

A. Warrant products in system to be free of defects in operation for 2 years, including parts and labor. Warranty for cords, external powersuppliesand accessories is90 days.

PART2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturers:

1. Williams Sound, Eden Prairie, MN.

2.2 ACCEPTABLEPRODUCTS

A. Servers (Transmitters):

1. HHS 108

2. HHS 116

3. HHS 124

4. HHS 132

5. HHS 132 D

2.3 COMPONENTPERFORMANCE CRITERIA

A1. 8-Channel Mono/ 4-Channel Stereo Wi-Fi Audio System

(HHS 108):

  1. Physical: Standard 2 RU 19” rackmount, 13” D (deep rack required). Weight: 14.0 lbs (6.4 kg). Color: black brushed aluminum face, case is textured black. Blue backlit LCD Screen with dark blue text. Power and control buttons backlit blue.
  2. Environment: Storage: -40° F to 150° F (-40° C to 65° C); Operating: 30° F to 110° F (0° C to 45° C)
  3. Cooling fan: 26 dB(A), variable speed, temperature controlled.
  4. Network requirements: Network hardware must support IGMP, IGMP Snooping, multicast (multiple simultaneous multicast clients), voice or higher QOS, and have available bandwidth. Internet access for maintenance updates and content management through venue portal.
  5. Mobile device requirements: Apple iOS 6 minimum, Android 4.2 minimum
  6. Expansion slots: (4x) sled style, to accept one 8-channel analog input expansion module (HHS CH8) each. Unused slots have blank plates installed.
  7. Audio inputs: Analog only. Accepts balanced or unbalanced line level. Input range -10 dBV to +8 dBu. Inputs provided by 8-channel audio input expansion module HHS CH8. One module provides 8 mono inputs, and each input has a 3-position terminal block configured as +,C,-. Each server unit can accept up to 4 expansion modules or 32 mono/16 stereo input channels total.
  8. Expansion card slots have (3x) blank plates installed.
  9. Ethernet jacks: (4x) RJ-45 jacks, 10/100/1000 Mbps, provided by internal router, configured as the following: (3x) LAN, (1x) WAN
  10. USB port: Version 2.0 supported.
  11. VGA port: Supported resolutions up to 2560 x 1600.
  12. Headphone jack: 3.5 mm stereo jack, 35 mW, 33 Ω load.
  13. Data transmission method: Proprietary Hearing Hotspot software; Live streaming IP
  14. Latency: Server native: µs range. Packet buffer configured for 60 ms. Receiving devices: 100 ms optimum.
  15. Sampling rates supported: 48, 44.1 kHz at 24-bit resolution
  16. Audio bandwidth used: Ethernet (wired): No more than 8 kBps, per stream; Wi-Fi: No more than 12 kBps Wi-Fi, per stream
  17. Power: External desktop power supply required (TFP 051). Input: Universal 90-240 VAC, 50/60 Hz, 60 Watt. Output:12 VDC, 4 A, 2.1 mm plug, center positive.
  18. User control interface: LCD screen with Left, Right, Up, Down and Select buttons. Each input can be adjusted for pad (preset attenuation level), trim, level (volume), and type (balanced mono, unbalanced mono, unbalanced stereo). Output selectable as stereo or mono. Input attenuation range adjustment ± 6 dB.
  19. Application features: Channel naming, coupons, advertising banners, scrolling ticker, custom background, downloadable pdf’s.
  20. Warranty: 2 years
  21. Approvals: FCC, IC, CE, RCM, RoHS, WEEE. Safety certifications (UL, CB scheme) pending,

A2. 16 Channel Mono / 8-Channel Stereo Wi-Fi Audio System

(HHS 116):

  1. Physical: Standard 2 RU 19” rackmount, 13” D (deep rack required). Weight: 14.0 lbs (6.4 kg). Color: black brushed aluminum face, case is textured black. Blue backlit LCD Screen with dark blue text. Power and control buttons backlit blue.
  2. Environment: Storage: -40° F to 150° F (-40° C to 65° C); Operating: 30° F to 110° F (0° C to 45° C)
  3. Cooling fan: 26 dB(A), variable speed, temperature controlled.
  4. Network requirements: Network hardware must support IGMP, IGMP Snooping, multicast (multiple simultaneous multicast clients), voice or higher QOS, and have available bandwidth. Internet access for maintenance updates and content management through venue portal.
  5. Mobile device requirements: Apple iOS 6 minimum, Android 4.2 minimum
  6. Expansion slots: (4x) sled style, to accept one 8-channel analog input expansion module (HHS CH8) each. Unused slots have blank plates installed.
  7. Audio inputs: Analog only. Accepts balanced or unbalanced line level. Input range -10 dBV to +8 dBu. Inputs provided by 8-channel audio input expansion module HHS CH8. One module provides 8 mono inputs, and each input has a 3-position terminal block configured as +,C,-. Each server unit can accept up to 4 expansion modules or 32 mono/16 stereo input channels total.
  8. Expansion card slots have (2x) blank plates installed.
  9. Ethernet jacks: (4x) RJ-45 jacks, 10/100/1000 Mbps, provided by internal router, configured as the following:(3x) LAN, (1x) WAN
  10. USB port: Version 2.0 supported.
  11. VGA port: Supported resolutions up to 2560 x 1600.
  12. Headphone jack: 3.5 mm stereo jack, 35 mW, 33 Ω load.
  13. Data transmission method: Proprietary Hearing Hotspot software; Live streaming IP
  14. Latency: Server native: µs range. Packet buffer configured for 60 ms. Receiving devices: 100 ms optimum.
  15. Sampling rates supported: 48, 44.1 kHz at 24-bit resolution
  16. Audio bandwidth used: Ethernet (wired): No more than 8 kBps, per stream; Wi-Fi: No more than 12 kBps Wi-Fi, per stream
  17. Power: External desktop power supply required (TFP 051). Input: Universal 90-240 VAC, 50/60 Hz, 60 Watt. Output:12 VDC, 4 A, 2.1 mm plug, center positive.
  18. User control interface: LCD screen with Left, Right, Up, Down and Select buttons. Each input can be adjusted for pad (preset attenuation level), trim, level (volume), and type (balanced mono, unbalanced mono, unbalanced stereo). Output selectable as stereo or mono. Input attenuation range adjustment ± 6 dB.
  19. Application features: Channel naming, coupons, advertising banners, scrolling ticker, custom background, downloadable pdf’s.
  20. Warranty: 2 years
  21. Approvals: FCC, IC, CE, RCM, RoHS, WEEE. Safety certifications (UL, CB scheme) pending,

A3. 24 Channel Mono / 12-Channel Stereo Wi-Fi Audio System

(HHS 124):

  1. Physical: Standard 2 RU 19” rackmount, 13” D (deep rack required). Weight: 14.0 lbs (6.4 kg). Color: black brushed aluminum face, case is textured black. Blue backlit LCD Screen with dark blue text. Power and control buttons backlit blue.
  2. Environment: Storage: -40° F to 150° F (-40° C to 65° C); Operating: 30° F to 110° F (0° C to 45° C)
  3. Cooling fan: 26 dB(A), variable speed, temperature controlled.
  4. Network requirements: Network hardware must support IGMP, IGMP Snooping, multicast (multiple simultaneous multicast clients), voice or higher QOS, and have available bandwidth. Internet access for maintenance updates and content management through venue portal.
  5. Mobile device requirements: Apple iOS 6 minimum, Android 4.2 minimum
  6. Expansion slots: (4x) sled style, to accept one 8-channel analog input expansion module (HHS CH8) each. Unused slots have blank plates installed.
  7. Audio inputs: Analog only. Accepts balanced or unbalanced line level. Input range -10 dBV to +8 dBu. Inputs provided by 8-channel audio input expansion module HHS CH8. One module provides 8 mono inputs, and each input has a 3-position terminal block configured as +,C,-. Each server unit can accept up to 4 expansion modules or 32 mono/16 stereo input channels total.
  8. Expansion card slots have (1x) blank plates installed.
  9. Ethernet jacks: (4x) RJ-45 jacks, 10/100/1000 Mbps, provided by internal router, configured as the following: (3x) LAN, (1x) WAN
  10. USB port: Version 2.0 supported.
  11. VGA port: Supported resolutions up to 2560 x 1600.
  12. Headphone jack: 3.5 mm stereo jack, 35 mW, 33 Ω load.
  13. Data transmission method: Proprietary Hearing Hotspot software; Live streaming IP
  14. Latency: Server native: µs range. Packet buffer configured for 60 ms. Receiving devices: 100 ms optimum.
  15. Sampling rates supported: 48, 44.1 kHz at 24-bit resolution
  16. Audio bandwidth used: Ethernet (wired): No more than 8 kBps, per stream; Wi-Fi: No more than 12 kBps Wi-Fi, per stream
  17. Power: External desktop power supply required (TFP 051). Input: Universal 90-240 VAC, 50/60 Hz, 60 Watt. Output:12 VDC, 4 A, 2.1 mm plug, center positive.
  18. User control interface: LCD screen with Left, Right, Up, Down and Select buttons. Each input can be adjusted for pad (preset attenuation level), trim, level (volume), and type (balanced mono, unbalanced mono, unbalanced stereo). Output selectable as stereo or mono. Input attenuation range adjustment ± 6 dB.
  19. Application features: Channel naming, coupons, advertising banners, scrolling ticker, custom background, downloadable pdf’s.
  20. Warranty: 2 years
  21. Approvals: FCC, IC, CE, RCM, RoHS, WEEE. Safety certifications (UL, CB scheme) pending,

A4. 32 Channel Mono / 16-Channel Stereo Wi-Fi Audio System

(HHS 132):

  1. Physical: Standard 2 RU 19” rackmount, 13” D (deep rack required). Weight: 14.0 lbs (6.4 kg). Color: black brushed aluminum face, case is textured black. Blue backlit LCD Screen with dark blue text. Power and control buttons backlit blue.
  2. Environment: Storage: -40° F to 150° F (-40° C to 65° C); Operating: 30° F to 110° F (0° C to 45° C)
  3. Cooling fan: 26 dB(A), variable speed, temperature controlled.
  4. Network requirements: Network hardware must support IGMP, IGMP Snooping, multicast (multiple simultaneous multicast clients), voice or higher QOS, and have available bandwidth. Internet access for maintenance updates and content management through venue portal.
  5. Mobile device requirements: Apple iOS 6 minimum, Android 4.2 minimum
  6. Expansion slots: (4x) sled style, to accept one 8-channel analog input expansion module (HHS CH8) each. Unused slots have blank plates installed.
  7. Audio inputs: Analog only. Accepts balanced or unbalanced line level. Input range -10 dBV to +8 dBu. Inputs provided by 8-channel audio input expansion module HHS CH8. One module provides 8 mono inputs, and each input has a 3-position terminal block configured as +,C,-. Each server unit can accept up to 4 expansion modules or 32 mono/16 stereo input channels total.
  8. Expansion card slots have (0x) blank plates installed.
  9. Ethernet jacks: (4x) RJ-45 jacks, 10/100/1000 Mbps, provided by internal router, configured as the following: (3x) LAN, (1x) WAN
  10. USB port: Version 2.0 supported.
  11. VGA port: Supported resolutions up to 2560 x 1600.
  12. Headphone jack: 3.5 mm stereo jack, 35 mW, 33 Ω load.
  13. Data transmission method: Proprietary Hearing Hotspot software; Live streaming IP
  14. Latency: Server native: µs range. Packet buffer configured for 60 ms. Receiving devices: 100 ms optimum.
  15. Sampling rates supported: 48, 44.1 kHz at 24-bit resolution
  16. Audio bandwidth used: Ethernet (wired): No more than 8 kBps, per stream; Wi-Fi: No more than 12 kBps Wi-Fi, per stream
  17. Power: External desktop power supply required (TFP 051). Input: Universal 90-240 VAC, 50/60 Hz, 60 Watt. Output:12 VDC, 4 A, 2.1 mm plug, center positive.
  18. User control interface: LCD screen with Left, Right, Up, Down and Select buttons. Each input can be adjusted for pad (preset attenuation level), trim, level (volume), and type (balanced mono, unbalanced mono, unbalanced stereo). Output selectable as stereo or mono. Input attenuation range adjustment ± 6 dB.
  19. Application features: Channel naming, coupons, advertising banners, scrolling ticker, custom background, downloadable pdf’s.
  20. Warranty: 2 years
  21. Approvals: FCC, IC, CE, RCM, RoHS, WEEE. Safety certifications (UL, CB scheme) pending,

A5. 32 Channel DanteWi-Fi Audio System

(HHS 132 D):

  1. Physical: Standard 2 RU 19” rackmount, 13” D (deep rack required). Weight: 14.0 lbs (6.4 kg). Color: black brushed aluminum face, case is textured black. Blue backlit LCD Screen with dark blue text. Power and control buttons backlit blue.
  2. Environment: Storage: -40° F to 150° F (-40° C to 65° C); Operating: 30° F to 110° F (0° C to 45° C)
  3. Cooling fan: 26 dB(A), variable speed, temperature controlled.
  4. Network requirements: Network hardware must support IGMP, IGMP Snooping, multicast (multiple simultaneous multicast clients), voice or higher QOS, and have available bandwidth. Internet access for maintenance updates and content management through venue portal.
  5. Mobile device requirements: Apple iOS 6 minimum, Android 4.2 minimum
  6. Expansion slots: (4x) sled style, to accept one 8-channel analog input expansion module (HHS CH8) each. Unused slots have blank plates installed.
  7. Audio inputs: Analog only. Accepts balanced or unbalanced line level. Input range -10 dBV to +8 dBu. Inputs provided by 8-channel audio input expansion module HHS CH8. One module provides 8 mono inputs, and each input has a 3-position terminal block configured as +,C,-. Each server unit can accept up to 4 expansion modules or 32 mono/16 stereo input channels total.
  8. Expansion card slots have (0x) blank plates installed.
  9. Ethernet jacks: (4x) RJ-45 jacks, 10/100/1000 Mbps, provided by internal router, configured as the following: (3x) LAN, (1x) WAN
  10. USB port: Version 2.0 supported.
  11. VGA port: Supported resolutions up to 2560 x 1600.
  12. Headphone jack: 3.5 mm stereo jack, 35 mW, 33 Ω load.
  13. Data transmission method: Proprietary Hearing Hotspot software; Live streaming IP
  14. Latency: Server native: µs range. Packet buffer configured for 60 ms. Receiving devices: 100 ms optimum.
  15. Sampling rates supported: 48, 44.1 kHz at 24-bit resolution
  16. Audio bandwidth used: Ethernet (wired): No more than 8 kBps, per stream; Wi-Fi: No more than 12 kBps Wi-Fi, per stream
  17. Power: External desktop power supply required (TFP 051). Input: Universal 90-240 VAC, 50/60 Hz, 60 Watt. Output:12 VDC, 4 A, 2.1 mm plug, center positive.
  18. User control interface: LCD screen with Left, Right, Up, Down and Select buttons. Each input can be adjusted for pad (preset attenuation level), trim, level (volume), and type (balanced mono, unbalanced mono, unbalanced stereo). Output selectable as stereo or mono. Input attenuation range adjustment ± 6 dB.
  19. Application features: Channel naming, coupons, advertising banners, scrolling ticker, custom background, downloadable pdf’s.
  20. Warranty: 2 years
  21. Approvals: FCC, IC, CE, RCM, RoHS, WEEE. Safety certifications (UL, CB scheme) pending,

PART3 EXECUTION

3.1 INSTALLATION

A. Install equipment to comply with manufacturer’s recommendations.

B. Wiring within Enclosures: Bundle, lace, and train conductors to terminal points with typical service loops, no excess. Use lacing barsin cabinets.

3.2 GROUNDING

A. Ground cable shields and equipment to eliminate shock hazard and to minimize ground loops, common-modereturns, noise pickup, cross talk, and other impairments.

3.3 FIELDQUALITYCONTROL

A. Operational Test: Perform tests that confirm proper operation of system and proper coverage in area whereequipment will be used. System must meet IEC 60118-4 standard.

3.4 DEMONSTRATION

A. Demonstration and Instruction of Owner’s Personnel: Provide in accordance with Section 01800. Engagefactory-authorized service representative to train Owner’s maintenance personnel to adjust, operate, and maintain equipment as specified.

END OF SECTION

10300 Valley View Rd

Eden Prairie, MN 55344

Ph: 800-328-6190 / 952-943-2252

FAX: 952-943-2174

Email:

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MFS 104A