英國製造
Floorstanding, three-way, reflex-loaded dynamic loudspeaker. Drive-units: 8" (200mm) Cobex-coned woofer, 6.5" (165mm) polypropylene-cone midrange unit, 1" (25mm) aluminum-dome tweeter. Connections: three separate inputs for tri-wiring; jumper included for single wiring. Frequency response: 25Hz–22kHz, ±3dB. Impedance: 6 ohms nominal. Sensitivity: 88dB/1W/1m. Power handling: 200W.
Dimensions: 35.5" (900mm) H by 9.2" (233mm) W by 13.5" (343mm) D. Weight: 66 lbs (30kg).
SPECIFICATIONS
Speaker type: 2½-way, bass reflex
Tweeter: 1 x JET 5
Woofer: 2 x 150 mm AS -XR cone
Crossover frequency: 500 / 2,400 Hz
Frequency response: 34 to 50,000 Hz
Sensitivity: 89.5 dB at 2.83 v/1m
Recommended amplifier power: 30 to 200 wpc
Nominal/peak power handling: 110 / 140 wpc
Nominal impedance: 4 Ω; minimum 3.2 Ω @ 190 Hz
Binding posts: 5-way metal
Magnetic shielding: No
Cabinet finish: High gloss black or white
Accessories included: Magnetic fabric grille; rubber feet
Height: 6.7 in / 170 mm
Width: 16.9 in / 430 mm
Depth: 13.8 in / 350 mm
Net weight (each): 20.7 lb / 9.4 kg
https://unwire.hk/2013/11/28/kef-x-300a-wireless/news/
產品規格
• 箱體設計：Two-way bass reflex
• 驅動單體：
Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
LF/MF: 130mm (5.25in.) magnesium/ aluminium alloy
• 頻率範圍：49Hz - 45kHz (- 6dB)
• 頻率響應：58Hz - 28kHz (+/- 6dB)
• 最大輸出音壓：104dB
• 擴大機規格：Twin Class AB
• 建議擴大機功率：
LF: 50W
HF: 20W
• 模擬輸入：AUX: 3.5mm stereo jack
• 數位輸入：USB: Mini USB Type B connector
• 解析度：Up to 24-bit
• 採樣比率：Up to 96kHz, depending on source resolution
• 無線標準：IEEE 802.11b/g
• 無線頻率段：2.4 GHz
• 無線網路串流：
DLNA: V1.5 Digital Media Renderer (DMR)
AirPlay: AirPlay works with iPhone, iPad and iPod touch with iOS 4.3.3 or later, Mac with OS X Mountain Lion (10.8.0) or later, and Mac or PC with iTunes 10.2.2 or later
• 網絡連線：802.11b/g wireless 100 Base-T, RJ45 Ethernet
• 控制：
Balance control
System volume control
• 內部容積：4.7L
• 功率輸入：
US/JP versions: 100-120VAC, 50/60Hz
EU/UK versions: 220-240VAC, 50Hz
China version: 220-230VAC, 50Hz
• 尺寸：
Without heatsink:280 x 180 x 215 mm (11.0 x 7.1 x 8.5 in.)
With heatsink:280 x 180 x 243 mm (11.0 x 7.1 x 9.6 in.)
• 重量：7.5kg (16.5lbs) per speaker
• 單位：一對
• APP：
Setup WizardiPhone (iOS 5.1.1 or later)
Android (Android 4.0 or later)
Mac (Mac OS X 10.6 or later)
Windows (Windows 7 or later)
DMC App (Android 2.3 or later)
