The HPA-21 is a truly unique product that is the world’s one and only current driving headphone amplifier.
*SILVER DEMO UNIT ONLY*
By incorporating the SATRI Circuit technology, our years of R&D effort in current amplification technology is now perfectly refined for headphone listeners.
If you demand the best headphone listening experience, look no further. The HPA-21 is here for you to meet your highest expectations.
Input: 1 SATRI-LINK (BNC), 1 Voltage (RCA)
Input Impedance: 100 KΩ (Voltage), 3.68 Ω (SATRI-LINK)
Output: Current / Voltage (simultaneous)
Gain: High / Low switchable (current output only)
Maximum Power Output: 1 watt (50 Ω, 1 kHz)
Frequency Response: 10 Hz ~ 1 MHz
Battery Type: Li-ion
Battery Operate Time: Up to six and a half hours
Battery Recharge Time: 4 hours (80% capacity) / 6 hours (full capacity)
Dimensions: 195 mm (W) x 237.5 mm (D) x 55 mm (H)
Shipping Weight: 4.5 kg