Ztella II 產品技術規格:
.DAC和耳機擴大機 ESS Sabre 9281ACPRO
.USB音頻 2.0 High Speed Class 2
.手機/電腦連接埠 USB Type-C
.耳機連接埠 4.4mm 音頻插孔 (L+/L-/R+/R-)
.PCM最大採樣頻率 768kHz
.DSD最大採樣頻率 22.5MHz (DSD512)
.MQA (Master Quality Authenticated) 渲染器
.最大位元深度 32-bit
.最大輸出電平 預設 2.2Vrms / 增強按鈕開啟 3.3Vrms (LED 亮綠燈)
.訊噪比 115dB
.總諧波失真 0.0003%
.頻率響應(0-40kHz) +/-0.01dBrA
.作業系統 Android, iOS, macOS and Windows 10 / 11
.線纜長度 12.5公分
.重量 13.5公克
.外殼材質 霧黑色鋁合金
Technical Specifications
Manufacturer: JBL, Inc..
Model Name: JBL Reference 420
Available in: Black
Input Requirement: Main connection – 3.5mm stereo mini jack
Power: 50mW
Sensitivity: 91dB SPL/mW @ 1kHz
Frequency Response: 10Hz – 20kHz (–10 dB)
Dimensions: Diameter – 102mm
Main audio cable – 1.5m
Extension cable – 1m
Weight: 170g (without cord)
Input Impedance: 32 Ohms
TECHNICAL SPECIFICATIONS
Frequency response: 20Hz – 20KHz
Rated impedance: 16 ohm
Sensitivity: 102db
Plug: 3.5mm mini stereo gold-plated plug
Cable: 1.2m
| port: | USB 2.0 |
| color: | black |
| headphone Out: | 1 (bal., XLR 4-pole), 2 |
| housing: | Desktop |
| bit depth: | 32 Bit |
| amplifier channels: | 2 |
| sample rate: | max. 384 kHz |
| dimensions: | 290 x 80 x 248 mm (W x H x D) |
SPECIFICATION
Driver dia: 12 mm
Frequency range: 6-25000 Hz
Sensitivity: 106 dB
Impedance: 18 Ohm
Maximum power input: 65 mW
Jack: 3.5 mm