Based on this product's specifications, here are some alternatives and similar models
Berker 450502 High End Speaker Socket Mechanism
Summary description:
The Berker 450502 is a high-end speaker socket mechanism designed for professional audio installations. Constructed from durable metal, this component ensures reliable signal transmission and a secure connection for high-fidelity sound systems. This pack contains 10 units, making it an ideal choice for large-scale electrical projects requiring robust and high-quality connectivity solutions for home or commercial audio setups.