Signature 621-I Complete Set
Signature 2-way in-wall speaker
• black satin finish
• dual 6.5" black-anodized aluminum woofer; soft dome tweeter
• In-wall cabinet or Retrofit Bracket included
• Fabric Grille optional
(PRICE PER SINGLE)
The Signature 621-I is a classic D’Appolito (woofer/tweeter/woofer) design, which lends itself perfectly for use as a main, center (horizontal or vertical), or surround speaker. Dual 6½-inch aluminum cone woofers and a 1-inch fabric dome tweeter make up the 621-I’s powerful driver complement. The versatility and exceptional performance of this in-wall speaker are what make it one of RBH’s most popular in-wall models.
BUILT IN THE USA
Engineering. Design. Performance.
For over 50 years, RBH Sound has designed and built loudspeakers in the USA with a singular focus - accurate sound reproduction, reliability, and timeless performance. Every product is engineered with premium components and crafted with pride to deliver a listening experience that exceeds expectations.


