Rated input: 30W
Impedance: 330 / 500 / 670 / 1kΩ (100V line)
Sound pressure level: 110dB (1W/1m)
Frequency response: 250Hz~4kHz
Dimensions: φ510 x 569 mm
Mass: Approx. 7.2kg
Specifications:
https://www.unipex.co.jp/seihin/download/pdfdata_en/PEH30T.pdf