DT-SA101 is available in Japan for roughly $240
digital amplifier with rated output of 4 W × 2ch
input sensitivity of 3000mV
The wine vat digital amplifier measures 62 × 80 × 71.5mm, weigh 200 g and the speaker with 32 mm diameter aluminum dome-shaped inverted full range speaker with 4 Ω impedance measure 62 × 130mm, weigh 145 g (each). The Mini Clear Sound System DT-SA101 is available in Japan for approximately 26,250 yen ($240).