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About the Reference 621C
The RBH Sound Reference 621-C is a high-performance freestanding center speaker in RBH’s Signature Reference series. It is designed as the center-channel companion for 6.5-inch Signature models and uses a two-way D’Appolito layout with dual reference aluminum woofers and an AMT tweeter for detailed dialogue, wide dynamic range, and near full-range center-channel output. RBH lists the Reference 621-C as a freestanding center speaker with a magnetic grille and black or white satin finish, and it is sold as a single speaker.
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