Best Buy: Sony Speaker Dock for Apple® iPod®, iPhone® and iPad® RDPX500IP
Best Buy: JBL On Beat Speaker Dock for Apple® iPad®, iPhone® and iPod® Black JBL ON BEAT
Meh: JBL OnBeat Mini Speaker Dock & 16GB or 32GB iPad Air
iLuv IMM747 Audio Cube Speaker system for iPad®/iPod®/iPhone® at Crutchfield
JBL OnBeat Speaker Dock Supports iPad 2 - SlashGear
brookstone portable speaker dock for iPad and iPad 2 | eBay
ONE Dock BEAT [Apple Certified] Power Station + Wireless Speaker Dock, Stand & Charger for Apple Watch Smart Watch, iPhone, iPad & iPod w/ Original Lightning Connector - Walmart.com
Bang & Olufsen BeoPlay A3 Speaker Dock and Stand for iPad Announced - ecoustics.com
Apple's next HomePod could be a speaker dock for the iPad | Macworld