U4數位流耳機 前級擴大機
輸入:USB、光纖、數位同軸、類比
輸出:耳機輸出、前級輸出、DAC輸出
特點:
1、耳機放大電路靜態電流兩段可調
2、384K/24Bit與DSD128,DSD64解碼
3、具HID功能可從電腦直接控制音量
4、全機無導磁性機構,降低音染
5、銅鋁散熱機殼
6、附遙控音量
新品上市獨家加贈發燒電源線,Divini UM-3e USB 線
現貨供應中 歡迎來店試聽
U4 規格
DAC | pre Amplifier | Headphone Amplifier | |
---|---|---|---|
Output Voltage | ± 2.828V | ± 13V | ± 13V |
output current | ± 70mA | ± 1A | ± 1A |
lnput lmpedance | — | 47KΩ | 47KΩ |
output lmpedance | — | 7.2Ω | Less then 4.7Ω |
Frequence Response | 20hz~50Khz | 3hz~100Khz ,-3db | 3hz~100K,-3db |
Total Harmonic Distortion | 0.00045 | Less then 0.0013% at 2 VRMS | Less then 0.0018% with32ohm |
Dynamic Range | 135 dB | 120 dB | 115dB |
S/N Ratio | — | 118 dB | 110dB |
Slewing Rate | — | 85v/us | 85v/us |
Gain | — | 7.5~19.5dB | 7.5~19.5dB |
Continuous Average Output Power | — | 22mA~102mA | 22mA~102mA |
— | — | 2.64w per channel into 32 ohm | |
— | — | 1.32w per channel into 64 ohm | |
— | — | 704mw per channel into 120 ohm | |
— | — | 338mw per channel into 250 ohm | |
— | — | 281mw per channel into 300 ohm | |
— | — | 140mw per channel into 600 ohm | |
Dimensions(H×D×W) | 60 × 290 × 180 ( mm ) | ||
Weight | 3.5 kg |