Product Issues
ION Audio Cornerstone, Keystone and Sport Express Recall: Stop Using Affected Speakers
Confirmed recall: affected ION Audio portable speakers can burst while charging. Check models and UPCs, stop use, and request the regional remedy.
Speakers & Subwoofers
Independent speaker and subwoofer guides covering selection, placement, integration, compatibility, hidden costs and troubleshooting.
Speakers & Subwoofers
Bookshelf vs Floorstanding Speakers: Choose by Room, Bass and Placement
Choose bookshelf or floorstanding speakers by listening distance, bass target, placement, amplifier load and total system cost—not cabinet size alone.
Buying Guides
How to Choose a Subwoofer: Room Size, Output, DSP and Hidden Costs
Choose a subwoofer by usable output, connection path, room and seating demands—not driver size. Compare sealed, ported, DSP and ecosystem trade-offs.
Buying Guides
Powered vs Passive Speakers: Which System Should You Buy?
Powered and passive speaker systems compared by cost, upgrade path, cabling, TV integration and long-term flexibility.
Audio Explained
How to Position Stereo Speakers and the Listening Seat
Set up stereo speakers with a repeatable process for listening position, symmetry, distance, height, wall clearance and toe-in—before spending money on treatment or EQ.
How-To
How to Integrate a Subwoofer into a Two-Channel Stereo System
A practical, evidence-based guide to connecting and tuning a powered subwoofer in a stereo system—covering sub outs, line and speaker-level inputs, crossover, phase, delay, level, placement, room correction, and common faults.