d features electronics variable pitch control

SOAR NFL Shockbox XL Wireless Bluetooth Speaker

Jensen Wireless Speaker with Color Changing LED Lamp - Black: Bluetooth Portable Audio

JVC Gumy POD Plus Wireless Speaker - SPSG2BT

Riptunes Bookshelf Bluetooth Speaker System, White

Cubitt Power GO Waterproof portable speakers with Bluetooth quick charge 10-hr playtime stereo experience and built-in microphone.

Pyle Stage & Studio PA Speaker Platform Base

Pyle 5.25'' Bluetooth Ceiling/Wall Speakers, 2-Way Flush Mount, 150W (PDICBT552RD)

beFree Sound 12 Inch 2500 Watt Bluetooth Portable Party PA Speaker

JBL Professional EON715 15 Inch Powered PA Speaker with Bluetooth

Pyle 4” 2-Way Indoor/Outdoor Bluetooth Speaker System - Waterproof Wireless Streaming with 1/2” High Compliance Polymer Tweeter - PDWRBT46RD, Red

SOAR NHL Shockbox LED Wireless Bluetooth Speaker

Pyle 4” 2-Way Indoor/Outdoor Speaker System - High Compliance Tweeter - White (PDWR45WT)

beFree Sound Bluetooth Powered Tower Speaker in Black

Tivoli Audio Songbook Bluetooth Speaker with Built-In Pre-Amp and Carrying Handle (Black)

Yamaha WX-021WH MusicCast 20 Wireless Speakers - Pair (White)

LyxPro 12 Inch Portable PA Speaker Powered, PA System with Equalizer SD Slot & Built-in Bluetooth

beFree Sound 12 Inch 2500 Watt Bluetooth Rechargeable Portable Party PA Speaker

Pyle 5.25" Waterproof Bluetooth Outdoor Speaker System - Black, 500W Wireless, Wall Mountable

JBL PartyBox 130 Portable Party Speaker

JBL PartyBox 330 Portable Party Speaker