Electronic Express via eBay offers this pair of Dual Indoor/Outdoor 3-Way Speakers in Black for $33.90. Coupon code "POPULAR" drops it to $28.81. With free shipping, that's the lowest price we could find by $6. They feature 100Hz to 20kHz frequency response and rear mounts. Deal ends August 15.

Note: Coupon must be used within a single transaction (and can include multiple eligible items). It can only be used once per account.