Dayton Audio Classic B40A Powered Bluetooth Bookshelf Speakers (4-inch Pair, Black)
New black Dayton Audio Classic B40A powered speaker pair, part 300-258. • 4-inch speakers: one powered and one passive • Bluetooth 5.0 and RCA line input • Includes grilles, foam feet, 10-foot speaker wire and 6-foot power cord Parts Express previously listed $109.98 before tax. The order exceeds its $99 US free-shipping threshold. The retailer lists a five-year Dayton Audio warranty and 60-day return policy. No coupon is required.
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Keep the powered speaker’s side panel within reach: that’s where Dayton puts the volume, bass and treble knobs.
@underbudgeted The input light is green for AUX and blue for Bluetooth, so you can tell which source is selected without starting playback.
Press the volume knob to switch between AUX and Bluetooth; turning it only adjusts volume. That’s useful to check if a newly connected source is silent.
Dayton rates the B40A’s frequency response from 75 Hz upward. If deep bass is central to your setup, that lower limit is worth comparing with larger speakers.
Each B40A cabinet is 5.5 inches wide, 9.5 inches tall and 5.7 inches deep. Check that footprint before placing a pair beside a desktop monitor.