Yamaha Floorstand 3 Way Dual 6' Loudspeaker EF Series - NS-555BP



3-Way Bass-Reflex Tower Speaker System. The EF (Elliptical Form) Series feature Waveguide horns, PMD (Polymer-injected Mica Diaphragm)woofers and highest quality internal Monster Cable wiring for total enjoyment of digital movie sound and music sources, plus elegant Yamaha traditional piano finish cabinets.

Piano Black Design

The EF (Elliptical Form) series was designed with the prestigious Yamaha piano range in mind. The Piano Black finish is a 7-layer thick black lacquer which is the same glossy finish that is used on our grand pianos, which showcases the EF Series speaker design impeccably.

Fast, Quick, Responsive Speakers

Yamaha have been designing speakers for over 40 years. Our A-PMD (Advanced Polymer-injected Mica Diaphragm) cones are light, sturdy and extremely rigid. This ensures excellent mid range clarity and strong bass response from the drivers. 

Monster Cable

All internal wiring within the EF series cabinets is done with high quality Monster Cable. Monster has built a strong reputation for high quality cables and accessories; a complimentary product for your EF Series.

Natural Design Speakers

EF Series speakers are designed to give you the closest audio quality to actually being there. No extra colours or noise, just natural sound reproduction. They are designed to work in harmony with Yamaha receivers to ensure your recording is exactly as you remember it.

  • High sensitivity and wide dynamic range for contemporary digital sources
  • Waveguide horn allows the sound field to be shaped and controlled for optimal spatial expression in home theater environments
  • PMD (Polymer-injected Mica Diaphragm) cone woofer combines highperformance materials and design for extreme accuracy
  • Highest quality internal Monster Cable wiring
  • High frequency response dome tweeter delivers clear, natural highs
  • Bi-wiring connectivity
  • Beautiful Yamaha piano finish with elegant elliptical form



3-Way, 4-Speaker Bass-Reflex Floor-Standing Speaker System


Dual 16cm PMD cone

MidRange Driver

13cm cone with Waveguide horn


2.5cm aluminium dome with Waveguide horn

Frequency Response

35 Hz-35 kHz

Nominal Input Power

100 W

Maximum Input Power

250 W


88 dB

Crossover Frequencies

1 kHz/4 kHz


6 ohms

Dimensions (W x H x D)

222 x 980 x 345 mm


20 kg / unit

Packaging Dimensions 108x34x42  x2
Packaging Dimensions 23kg x2

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