Monacor SPH-300KE Chassis Speaker


£143.00 + VAT    £171.60 incl. VAT

12″ 120W 8Ω bass-midrange speaker

Out of stock



Monacor SPH-300KE 12″ 120w RMS hi-fi bass-midrange chassis speaker

The SPH-KE series high-tech speakers with high power capability. For use in subwoofer and midrange applications providing excellent performance due to the use of Kevlar cones. Visually and technically impressive.

  • Finely textured Kevlar cone
  • Aluminium diecast basket
  • Long cone excursion
  • Deep bass produced in compact bass-reflex cabinets and infinite baffle closed cabinets
  • For hi-fi and high-end application
  • Impedance (Z) – 8Ω
  • Frequency range: f3-2,200 Hz
  • Resonant frequency (fs): 22 Hz
  • Power rating: 120 W
  • Peak music power output: 200 W
  • Sensitivity: 90 dB/W/m
  • Suspension compl. (Cms): 0.81 mm/N
  • Moving mass (Mms): 65 g
  • Mech. Q factor (Qms): 4.15
  • Electr. Q factor (Qes): 0.36
  • Total Q factor (Qts): 0.33
  • Equivalent volume (Vas): 250 l
  • DC resistance (Re): 6.2 Ω
  • Force factor (BxL): 12.5 Tm
  • Voice coil induct. (Le): 1.5 mH
  • Voice coil diameter: Ø 65.5 mm
  • Voice coil former: glass fibre
  • Linear excursion (XMAX): ± 6.5 mm
  • Eff. cone area (Sd): 496 cm2
  • Magnet weight: 1.2 kg + 79 g
  • Magnet diameter: Ø 145 mm
  • Mounting cutout: Ø 272 mm
  • Mounting depth: 119 mm
  • Dimensions: Ø 309 mm x 130 mm
  • Outside diameter: Ø 309 mm
  • Width: Ø 309 mm
  • Depth: 130 mm
  • Admissible ambient temperature: 0-40 °C
  • Weight: 4.3 kg

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

Additional information

Weight4.3 kg
Dimensions30.9 × 30.9 × 13 cm
Speaker Size


Wattage (RMS)



Black, Yellow





Monacor is one of Europe’s largest distributors of PA sound and lighting equipment. Monacor understand public address and sound reinforcement comprehensively and offer a diverse range of products for all commercial sound and lighting needs. In addition to classic sound systems for sound reinforcement such as music systems, amplifiers, loudspeakers, and mixing desks, the full portfolio also includes complex conference systems, accessories for voice alarm or mobile amplifier systems, as well as induction loop sound systems, 100v line PA and megaphones. Whether you want to bring sound to one person or thousands: Monacor has the right solution for you. Our professional and commercial sound products, wireless microphones and induction loops are carefully chosen for sale on our website by Sound Services – not everything from every manufacturer is there. Based on feedback, customer reviews and our own observations we list items that are popular, reliable and good value for money. If there are products not shown on our website that you feel we may be able to quote for, please just ask!


There are no reviews yet.

Be the first to review “Monacor SPH-300KE Chassis Speaker”

Your email address will not be published. Required fields are marked *

Product Enquiry

You may also like…