CONTACT WHO: Austrian Audio WEB: austrianaudio.comKEY FEATURES FREQUENCY RESPONSE: 5Hz to 28kHz, SENSITIVITY: 110 dBspl/V, THD (@ 1kHz): < 0.1%, IMPEDANCE: 25Ω INPUT POWER: 150mW, DIMENSIONS: 170 x 85 x 200 mm, WEIGHT: 0.31kg