Symphony Acoustic Enclosure (SSTR/SRS1 part # 91688 SST part # 91687): ½” MDF enclosure that provides ideal acoustic performance and maximum reduction of sound transmission into adjacent spaces. Symphony Coverplate (SSTR/SRS1 part # 92335 SST part # 92334): Reusable cover protects the hole made by the FlexBracket during construction until the speaker is installed. Designed to be used with the RotoLock ® mounting system. Symphony FlexBracket (SSTR/SRS1 part # 92337 SST part # 92336): Plastic template to reserve a mounting hole for speakers in new construction. Plastic paint plugs (installed on fronts of speakers)

Plastic paint plug (installed on fronts of speakers) Your Sonance Symphony SST/SSTR/SRS1 speaker box should contain the following items: The detachable mounting flange expands installation options,allowing the speaker assembly to be easily mounted in custom cabinetry.The RotoLock ® mounting system makes installation quick and easy.A 3-position tweeter adjustment switch lets you balance the speaker’s high-frequency energy to better compliment your room’s setup and acoustics (S623 SSTR).Fully-pivoting woofers (S623 SSTR/S621 SSTR/SRS1) direct the sound at listeners for clear sound even when speaker placement options are limited.SRS1 creates a diffuse, enveloping soundfield that is ideal for home theater surround channel use.SST/SSTR models feature Single StereoTechnology ® - reproducing left & right stereo channels from a single speaker - ideal for use in areas where space is limited.

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