Klipsch Reference Series RS-10 4-Inch Two-Way Surround Speakers (Single) $59.99 (Reg. $199.99)
Newegg

Klipsch Reference Series RS-10 4-Inch Two-Way Surround Speakers (Single)
$199.99
$69.99
$59.99
with promo code EMCPYEE23

Wide Dispersion Surround Technology
Acoustic suspension (sealed) design
Frequency response: 82-20,000Hz (+/-3dB)
8-ohm impedance
Sensitivity: 91dB
Handles up to 50 watts
Dual Tractrix horns with 1" titanium tweeters, 4" Cerametallic woofer