Tectonic Round Audio Exciter, 1W nom, >2W max, 4Ω Tectonic Round Audio Exciter, 1W nom, >2W max, 4Ω, Frequency Type: Full Range, Frequency Response: 200 Hz → 20 kHz, Length: 30mm, Depth: 6.3mm, Weight: 14.1g, MPN: TEAX19C01-4/LP GBP 3.38 1