Amazon has the Sonos Sub Mini Compact Wireless Subwoofer (SUBM1US1BLK) for $343 with free shipping. List price: $429. Features volume automatically adjusts along with your paired speaker or soundbar, 5GHz WiFi connection. Both woofers face inward to create a force-canceling effect that neutralizes distortion.

Has excellent Amazon Reviews.

Amazon has the 5th-Gen. Amazon Echo Dot (B09B8V1LZ3, Charcoal) for $23 with free shipping on $35+ or with Prime. List price: $50. Features mproved audio from previous versions, microphone privacy button, made from 55% post-consumer recycled plastics. #1 Best Seller in Home Audio Speakers.

Has excellent Amazon Reviews.

Amazon has the Amazon Echo Pop Smart (Charcoal) for $18 with free shipping on $35+ or with Prime. List price: $40. This compact smart speaker with Alexa features full sound that's great for bedrooms and small spaces. Small enough to blend in and mighty enough to stand out. #1 Best Seller in Portable Bluetooth Speakers.

Has excellent Amazon Reviews.

Amazon has the Ultimate Ears Wonderboom Play Waterproof Bluetooth Speaker (984-001947, Black) for $55 with free shipping. List price: $90. Features 10-hour battery, IP67 waterproof and dustproof, pair two for bigger sound, portable waterproof Bluetooth speaker delivers signature Ultimate Ears sound quality and big, audacious audio.

Has excellent Amazon Reviews.

Amazon has the Marshall Emberton II Portable Bluetooth Speaker (1006234, Black & Brass or Cream) for $100 with free shipping. List price: $170. Features 360° sound with True Stereophonic, a unique form of multi-directional sound from Marshall, IP67 dust proof and water proof rating, 30+ hours of playback.

Has excellent Amazon Reviews.