Description The Centerpiece of Clear Dialogue If you want movie nights where every word comes through crisp and natural, the Signature 621-C is the speaker you’ll lean on. Built from RBH’s Signature Reference line, it’s designed to carry the heavy lifting of your theater, dialogue, vocals, and front action, with the kind of detail that makes you stop and notice. Built to Sound Right, Built to Last Inside, dual 6.5-inch aluminum woofers team up with RBH’s custom AMT tweeter in a D’Appolito layout. The result? Tight bass, smooth highs, and a soundstage that feels dead-on accurate. Outside, the cabinet is heavy-duty HDF with clean satin or piano finishes and a magnetic grille that keeps things looking sharp. Ready for Your System With a 91dB sensitivity, 75–250 watt power handling, and easy amplifier pairing, the Signature 621-C works seamlessly in both stereo and full surround setups. Whether it’s paired with other RBH gear or mixed into your own system, this center speaker has the muscle and refinement to stay at the heart of it all. Key Features Dual 6.5″ reference aluminum cone woofers Proprietary AMT tweeter (Aurum Cantus collaboration) D’Appolito MTM design for precise imaging Frequency response: 50Hz–40kHz Sensitivity: 91dB, Impedance: 6 Ohms Power handling: 75–250W Premium HDF cabinet with multiple finish options 10-year limited warranty
