數碼轉數碼轉換器 DDC 彙整 - 金聲耳筒專門店

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英國 iFi – OMNI USB USB訊號調節器+光電隔離+數碼介面 | OptiLink USB轉光纖轉換器 | 10G SFP, 1.5G SFP光纖輸入 | 3組PurePort USB訊號輸出, 2組PurePort USB 電源輸出 | 1組光纖+2組同軸輸出 | 內置8,000mAh電源隔離系統 | 內置或外置同步時鐘

$7,199

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ikko – ITM07 限量旗艦級便攜USB耳擴解碼 | 4.4,3.5,光纖輸出 | Type-C輸入

$4,998

Output interface:
– 3.5mm single-ended output
– 4.4mm balanced output
– 3.5mm optical fiber output (192k)

DAC chip: ES9039Q2M

Headphone amp configuration:
– OPA1622 × 2
– SGM8262 × 2

Architecture: CQAM (CrystalSync Quad Amp Module)

Output power:
– 3.5mm: ≥175mW + 175mW (32Ω, THD+N<1%)
– 4.4mm: ≥520mW + 520mW (32Ω, THD+N<1%)

Signal-to-noise ratio (SNR): 123dB (real user environment test)

Dynamic range (DNR): 122dB (real user environment test)

Total Harmonic Distortion + Noise (THD+N):
– 3.5mm: 0.0005%
– 4.4mm: 0.0005%

Frequency response: ±0.2dB (20Hz – 20kHz)

Compatible systems: Android, iOS, MacOS, Windows

*產品規格*
– 輸出介面：
‧ 3.5mm 單端輸出
‧ 4.4mm 平衡輸出
‧ 3.5mm 光纖輸出（192k）
– DAC 晶片：ES9039Q2M
– 耳機放大器配置：
‧ OPA1622 × 2
‧ SGM8262 × 2
– 架構：CQAM（CrystalSync 四路放大器）
– 輸出模組：
‧ 3.5mm：≥175mW + 175mW（32Ω，THD+N<1%）
‧ 4.4mm：≥520mW + 520mW（32Ω，THD+N<1%）
– 訊號雜訊比（SNR）：123dB（真實使用者環境測試）
– 動態範圍（DNR）：122dB（真實用戶環境測試）
– 總諧波失真 + 噪音（THD+N）：
‧ 3.5mm：0.0005%
‧ 4.4mm：0.0005%
– 頻率響應：±0.2dB (20Hz – 20kHz)
– 相容系統：Android、iOS、MacOS、Windows

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Shanling – SM1.3 桌上音樂串流播放一體機 | 雙NORATEL環牛 | AK4191+AK4499EX | 6.3耳機輸出 | 前級功能(可切換) | WiFi,LAN,藍牙收發

~~$9,400~~ $8,600

Specification

Dimensions: 252 x 188 x 67.5 mm

Weight: 3.2kg

Display: 5.8-inch 1920*1080 IPS Touch screen

System: Based on Android 10, Closed and Customized

Hi-Res Support: Up to PCM 32bit / 768 kHz & DSD512

Bluetooth: Version 5.0, serving as both Receiver and transmitter

BT codec support: Receiver LDAC & SBC // Transmitter LDAC, aptX-HD, aptX, SBC

Wi-Fi: Dual band 2.4G & 5G

DAC: ESS ES9038Pro

Analog Section: OPA1611 based I/V conversion, OPA2211 based LPF, OPA2211+BD139+BD140 based Amplifier

Analog outputs: 4.4mm & XLR balanced, 3.5mm & 6.35mm Single-ended, with pair of RCA and XLR

Digital outputs: SPDIF Coaxial & Optical, USB Audio Output

Digital inputs: USB-B, Coaxial SPDIF & Optical, 2x USB port for USB drives, MicroSD card slot

Output power Single Ended: Up to 8.5V / 2.3W @ 32 Ohm // 9V / 270mW @ 300 Ohm

Output power Balanced: Up to 15V / 7W @ 32 Ohm // 18V / 1W @ 300 Ohm

Output Impedance: 1.2 Ohm SE // 2.4 Ohm BAL

Balanced THD+N: 0.0003%

Balanced Dynamic Range: 125 dB

Balanced SNR: 125 dB

Balanced Channel separation: 104dB

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Luxury & Precision – W4 手提解碼耳擴 | LP5108 旗艦級晶片 | 4.4, 3.5耳機輸出 | DSD256, PCM 32bit/384kHz | Type-C輸入

$3,388

◎基本參數
型號：W4
顏色/體積/重量：魅影灰/63x24x12.5mm/24g
螢幕：0.91寸單色OLED屏
隨機附件：說明書x1 / 保修卡X1 / Type-C-Type-C連接線X1 / Type-C-Lighting連接線x1 / USB A公轉TYPE C母X1
信噪比 A計權 20HZ-20KHZ BW：單端:131db 平衡:134db
動態範圍A計權 20Hz-20KHz BW：單端:131db 平衡:134db
THD+N A計權@32Ω 20Hz-20KHz BW：單端:0.0003% 平衡:0.00013%
THD+N A計權@300Ω 20Hz-20KHz BW：單端:0.00025% 平衡:0.0001%
輸出功率@32Ω THD+N<0.01%：單端:110mW 平衡:420mW
DAC：LP5108
輸入介面：Type-C USB母座
輸出介面：鍍金3.5mm單端耳機座 / 優質鍍金4.4mm平衡耳機座
音訊格式(PCM)：16/24/32bit位深/44.1KHz-384KHz取樣速率
音訊格式(DSD)：Native DSD64/Native DSD128/Native DSD256
支援系統：IOS/OS/安卓/WIN/linux

◎功能參數
EQ：Normal/CLASS/JAZZ/ROCK/POP/BASS/MOVIE/GAME
SDF調音：Normal/Xelento/IE800S/SE846/IER-Z1R
增益調整：支持HIGH/LOW
數位濾波：FAST/SLOW/NOS/LL FAST/LL SLOW
HID Key：支持
SPDIF輸出：支持
固件升級：支持
樂調音：第二代樂調音TUNE01/TUNE02
注:配置和規格参數可能會根據需要作調整。由於AP輸入訊略高於W4EX的本底雜訊,SNR, DR, THD+N需要增加低雜訊放大器作為AP前端信號激勵並作等比換算才能相對測出真實性能。

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