Brad Bourque Brad Bourque is a tech journalist and commerce writer based out of Portland, Oregon. He’s contributed to sites like Digital Trends, Business Insider, and WIRED. Whether you’re considering starting a Sonos speaker setup, or adding to an existing group, the Sonos Era 100 is worth picking up. The compact, capable smart speaker is currently marked down to $189 ($30 off) at a variety of retailers, including Amazon , Best Buy , and directly from Sonos . If you want an even lower price, Sonos is selling refurbished Era 100 speakers for just $134. They come with fresh accessories and packaging, and sport the same one-year warranty as its new speakers. $189 The Era 100 is Sonos’s most affordable in-home smart speaker. Offering pleasant sound at a relatively compact size, it improves upon the prior Sonos One with stereo audio, line-in support, and Bluetooth support. Read our review . The wireless speaker has a rich, detailed sound profile, with room-filling audio despite its small size.…