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ลำโพงซับเบสพาสซีฟ ยี่ห้อ EV Electro-Voice รุ่น QRx 218S

ลำโพงซับวูฟเฟอร์ EV QRx 218S เป็นลำโพงซับเบสแบบ Passive ไม่มีกำลังขยายในตัว ดอกลำโพงขนาด 18 นิ้ว ทนกำลังขับ 1200-4800 วัตต์ continuous power handling 8 โอห์ม มีทั้งแบบสีดำและสีขาว เสียบขาตั้งบนตู้




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หมวดหมู่: , , ป้ายกำกับ: Brand: Electro Voice


ลำโพงซับเบสพาสซีฟ ยี่ห้อ EV Electro-Voice รุ่น QRx 218S

ลำโพงซับเบสพาสซีฟ ยี่ห้อ EV Electro-Voice รุ่น QRx 218S เป็นลำโพงซับเบสแบบ Passive ไม่มีกำลังขยายในตัว ดอกลำโพงขนาด 18 นิ้ว

ลำโพงซับเบสพาสซีฟ ยี่ห้อ EV Electro-Voice รุ่น รุ่น QRx 218S The QRx 218S is a dual 18“ subwoofer with 1200-watt continuous power handling (4800-watt peak). Concert grade EVX180B woofers with four“ voice-coils offer incredible fatigue-resistance and excellent long-term reliability.

The QRx-218S is a dedicated subwoofer system that features the excellent low-frequency capabilities of two (2) powerful EVX-180B 18-inch drivers with 4-inch voice coils. In the QRx-218S these drivers are frontmounted in a compact enclosure that is tuned to 36 Hz and delivers solid bass fundamentals. The 1200-watt continuous 4800-watt peak power handling of the QRx-218S easily provides 133 dB SPL continuous 139 dB peak output capability at 1 meter. The QRx-218S enclosure has EV’s recessed comfort-lift handles on the top and the bottom of the enclosure so the box can be lifted easily.

On the back of the standard versions of the enclosure are two (2) sealed pocket wheels at the bottom and two (2) handles at the top of the system so it can be tilted back and moved comfortably by one (1) person. On the rigging versions of the QRx-218S there are two (2) L-tracks on the top and bottom of the enclosure to allow the system to be hung horizontally or vertically. The standard versions of the QRx-218S are also equipped with a metal 1-3/8- inch mounting socket for use with a 34-inch pole to allow elevation of full-range speakers above the sub. The QRx-218S enclosure is built of 13-ply void-free grain-oriented birch plywood that is coated with EVCoat a sprayed on polyurethane finish that is very rugged and weather resistant. The drivers are protected from damage by a 16-gauge powder-coated


  • High-level extended LF with concert proven performance
  • Accurate transient detail
  • Available in Standard and Riggable (L-Track) versions
  • EVX-180B woofers for superior linear excursion
  • High sensitivity 139 db maximum SPL (peak)
  • Power handling: 1200 W continuous 4800 W peak
  • Rectangular 13-ply birch vented enclosure
  • Built-in handles and sealed pocket wheels (Standard )
  • Integrated pole-mount receptacle (Standard )
  • Black EVCoat finish (white by special order)

ดูสินค้า EV Electro-Voice ทุกรุ่น




Axial Sensitivity (SPL 1 W @ 1 m) 102 dB
Chassis Size 457.2 mm (18″)
Color Black White Unfinished
Coverage (Nominal -6 dB) Essentially Omni
Input Connections 2 Neutrik® NL4
Speaker Type Subs
Frequency Response (-3 dB) 38 – 125 Hz
Frequency Response (-10 dB) 31 – 250 Hz
Internal Crossover No
Recommended High-Pass Frequency 35 Hz 12 dB/octave
Sensitivity 1 W/1 m 102 dB
Max. SPL/1m (calc) 139 dB
System Power Handling (Continuous/Program/Peak) 1200//4800 Watts
LF Transducer Two 18-inch EVX180B
Crossover Frequency 100 Hz 24 dB/octave
Nominal Impedance (Passive) 4 Ω
Flying Optional
Outdoor No
Height 1015 mm (39.96″)
Width 560 mm (22.05″)
Depth 602 mm (23.7″)
Weight Net 68 kg (149.91 lbs)