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NHT 

iW4 ARC In-Wall Loudspeaker Installation Guide

Maintenance

Do not expose the speakers to direct sunlight or excessively high temperatures. 

Do not attempt to clean the actual drivers (speakers) themselves.

You may clean the grill after removal with a citrus-based cleaner to cut a greasy film otherwise a mild detergent will clean the speaker 

up nicely.  Avoid harsh cleaners.  Let dry completely.

Service & Support & Troubleshooting

Contact the NHT Authorized Reseller who sold you the products or,

Contact NHT by telephone go online at www.nhthifi.com and navigate to the Service Center area for more information.

Professional Specifications

Average Impedance 8Ω. 

Recommended Power 20-50W

Max RMS Power Handling 50W

Coverage to 60˚off-axis

Cutout dim: 3.75” x 9.7” (3-3/4” x approximately 9-3/6”)

Depth behind the wall: 3.25” (3-/4”)

Finished dim: 4.86” x 0.3” (approximately 4-7/8” x 0-5/6”) 

REV 8263

Summary of Contents for iW4-ARC

Page 1: ...Installation New Construction ceilings not installed you see ceiling joists when you look up 7 Installation Existing Construction retrofitting finished ceilings 8 Painting 9 In Use 10 Optimizing Sonic...

Page 2: ...here to help Our telephone number is 707 747 0122 Our web address www nhthifi com What s In The Box 1 iW4 ARC speaker assembly 1 Metal grill 1 Cardboard Cutout Template Before we start please conside...

Page 3: ...to 2 1 4 thick almost always between standard wood joists Their moisture resistant drive units ARC frames and stainless steel hardware allow them to be installed in moisture prone interiors and protec...

Page 4: ...attach the mounting wing ends to into the locking plastic tabs For horizontal orientations use the tab lock on the side of the mounting wings fig 2 In each case screw the ends of the mounting wings t...

Page 5: ...tandard is FT4 wire The wire should be run in accordance with National Electrical Code best practices to meet any applicable local or national building codes Be forewarned MDU and high rise developmen...

Page 6: ...ings 4 5 x 50mm flathead wood metal screws Tools You ll Need Pencil 2 Philips screwdriver Tape measure Utility knife Keyhole saw jigsaw or rotary saw Safety goggles Dust mask Protective gloves A solid...

Page 7: ...in the side of the bracket fig 3 2 The wings feature progressively scored sections 1 1 2 2 2 3 3 with screw holes spaced in one inch increments to help you align the bracket The iW4B pre construction...

Page 8: ...on cut the drywall so it butts up to the protruding lip of the mounting bracket as you would cut out for a ceiling light can or J box Once installed the lip of the speaker chassis will extend about in...

Page 9: ...a pair pack and is only suit able in 2 x 4 studded walls Available on nhthifi com 7 Begin to tighten the screws that at first rotate the dog legs out 90 and then start to move downwards to clamp the w...

Page 10: ...ly Do not install the speaker into a drop ceiling T Bar or soft ceiling without a proper backing board to spread the load as this type of construction will not support its weight You will not need the...

Page 11: ...eyond the perimeter of the cutout to hide minor cutting imperfections 4 If the wall or ceiling is constructed of lath and plaster outline the cutout area with masking tape to help prevent plaster crac...

Page 12: ...emselves fig 8 8 Tighten each mounting screws a little at a time like lug nuts on a car wheel until each one is snug making sure not to over tighten as this may compromise the fit of the speaker assem...

Page 13: ...ass and the lack of a well defined stereo image indicate incorrect speaker phase the and are reversed on one speaker Optimizing Sonic Performance Bass response is smoothest when the speaker is mounted...

Page 14: ...up nicely Avoid harsh cleaners Let dry completely Service Support Troubleshooting Contact the NHT Authorized Reseller who sold you the products or Contact NHT by telephone go online at www nhthifi co...

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