Pioneer SP-PK52FS Andrew Jones 5.1 Home Theater Speaker Package SP-FS52 Floor-standing Speakers (Pair): Features three 5.25" structured surface woofers, 1" high efficiency soft dome tweeter, & 8-component high-quality crossovers SP-FS52 Floor-standing Speakers (Pair): Full-size tower speakers, measuring 35.2 inches tall; the woofer's bass output is augmented with two ports on the back of the speaker cabinet SP-BS22 Bookshelf Speakers (Pair): Features 4" structured surface woofer, 1" high efficiency soft dome tweeter, 1 rear port, & 6-element complex crossover; Handles 90 watts and delivers wide frequency response and sophisticated sound quality regardless of the source SP-C22 Center-Channel Speaker (Each): Features two 4" structured surface woofers, 1" high efficiency soft dome tweeter, 2 rear ports, & 6-element complex crossover SP-C22 Center-Channel Speaker (Each): The top and bottom panels are curved front-to-back, and it comes with two small "cradles" to provide a stable base for shelf mounting over or under your TV; Can be set up to fire straight ahead, or angled up or down to a small degree so you can "aim" the speaker's sound toward the main listening position SW-8MK2 Powered Subwoofer (Each): Features an 8-inch long-throw down-firing woofer powered by a 100-watt amplifier; Vented enclosure allows for extended, well-rounded bass; Supports frequency range of 38 Hz-150 Hz SW-8MK2 Powered Subwoofer (Each): Flat-sided box with a port on its front panel; 0/180-degree phase switch on the rear panel can be used to improve the bass blend between the sub and speakers; Connectivity options include stereo line-level RCA and spring-clip speaker-level inputs Floor-standing speakers (FS52), bookshelf speakers (BS22), & center-channel speaker (C22) have RF-Molded curved cabinet & gold 5-way binding posts All speakers feature all-metal connectors, which provide a more secure grip on the wires than plastic spring-clip connectors; Connectors accept banana plugs, bare wire ends, spades, or wires terminated with pin connectors