Summer Audio S3 Speaker 2.0 Channel HiFi Stereo Passive Bookshelf Speakers with Anti-Skid Mat for Home System

Features:
The passive speaker is made of MDF material, with glossy paint, smooth, moisture-proof and anti-oxidation, strong and durable.
Adopts cast aluminum bracket wool paper basin, 69mm effective vibration basin area, high sound quality clarity, low distortion.
The speaker uses anti-skid pads on the bottom, can better stabilize the speaker, while preventing the speaker from being scratched and damaged.
Gold plated copper terminal, high conductivity, practical and beautiful.
Phase-inverted design, built-in acoustically measured-inverted tube, effectively improve the performance of low and medium frequency.