$100 · The Pyle Pro PDIW65 two-way in-wall speaker...4 pairs for $100

These were mounted in wall and work perfectly fine and I only replaced them with a bigger model...the sound is surprisingly excellent! The Pyle Pro PDIW65 two-way in-wall speaker system delivers stereo sound to any room in your home or office without cluttering floor space. Each unit in the pair features a 6.5-Inch midbass speaker, equipped with a 1-Inch high temperature voice coil and directable 1/2-Inch polymer tweeter for a full, rich sound. These speakers pump out up to 200 watts max, achieving a frequency response of 70 Hz to 20 kHz. Sold as a pair. Features & details 200 WATT POWER: This white high powered audio projection speaker system by Pyle Home has a maximum power output of 200 watt peak power / 100 watt RMS so you can play your favorite tracks as loud as you want and with style 6.5" MIDBASS, 1/2" TWEETER: The dual speaker is equipped with 6.5" midbass and high performance 1/2 inch polymer tweeter with 1'' high temperature voice coil for full range surround stereo sound reproduction and impressive bass response 70 Hz - 20 kHz FREQUENCY RESPONSE: This 2 way stereo sound speaker pair has a frequency response of 70Hz - 20kHz to achieve wide ranged sound performance and the convenient speaker terminal allows quick and hassle-free speaker wire connection 4-8 OHM IMPEDANCE: This in wall / in ceiling speakers features 4-8 ohm impedance rating and has an impressive power handling capability to withstand long hours of playtime. It ultimately reduces distortion so you can enjoy a crisp and clear sound WALL / CEILING MOUNT: Includes cut-out template for easy installation and mounts flush on walls or ceilings to deliver stereo sound for home theater or office without cluttering floor space. Perfect for custom installations and applications