Airtight 300-R Stereo Amplifier

Here is an open box Airtight 300-R Stereo amp with full warranty Absolutely perfect. comes with original box manual, pow\ower cable and Psvane WE 300B tubes. Shipping included in US Power Output : 9W＋9W (THD<10%) THD below : 1% (1kHz / 1W / 8Ω) Input Sensitivity : 290mV (9W) Dumping Factor : 7 (1kHz / 1W / 8Ω) Frequency Response : 30Hz～40kHz (−1dB / 1W) Dimensions : 430(W)×275(D)×245(H)mm Weight : 24.5kg