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DE-X 300 R Polar

Trimless In-Wall / In-Ceiling Speaker

Key Features
  • Very unobtrusive appearance
    (only the flush-mounted front grille is visible)

  • Small dimensions and installation depth

  • 3-way system with Polar technology

  • 180° dispersion

  • Perfect sound distribution with a small number of loudspeakers

  • 6.5" woofer + 6.5" low-mid woofer + 1" dome tweeter

  • 240 watts power capacity

  • Very linear frequency response

  • High efficiency

  • Moisture proof

Fields of Application
  • Gastronomy, hotels
  • Home audio
  • Conference rooms
  • Surround systems
  • Sales rooms

This trimless high-end, built-in speaker with Polar® technology is designed as a three-way system and features the optimum omnidirectional acoustic dispersion typical of the Polar speaker series. The precise tonal balance and elaborate crossover make the DE-X 300 R Polar the ideal choice for perfect sound reproduction with exceptional low frequency sound.
The DE-X 300 R Polar is comprised of three parts. First, the elegant installation frame is mounted in the ceiling or wall. The speaker unit and the magnetic front grille are then installed. This enables reliable installation and retrofitting, even for complicated installation scenarios.

Technical Data

3-way loudspeaker with Polar technology


6.5" woofer + 6.5" low-mid woofer + 1" dome tweeter

Frequency range
52 Hz – 21 kHz
4 Ohm
Power capacity
120 watts RMS, 240 watts program

89 db SPL @ 1 m, half-space (flush-mounted)

Maximum SPL

112 dB @ 1 m

Nominal dispersion
Front grille

Precision steel grille with magnetic fastening, adjustable for flush-mounting

Dimensions of front grille
336 × 170 mm
Cutout size

342 × 176 mm


Wall / ceiling thickness
8...30 mm
Installation depth
100 mm
3.8 kg
Precision steel assembly frame and grille, powder-coated
Screw-type terminals, pluggable
5 years

DE-X 300 R Polar White

Order No.: 0350-0001

RAL 9016

Other colours and versions on request

EG 300

Order No.: 2205-0001

Back box

Dim.: 500 × 350 × 140 mm

EGB 300

Order No.: 2211-0001

Back box for concrete

Dim.: 500 × 350 × 168 mm (incl. PVC rigid foam)

DE-X Tool

Order No.: 0360-0001

Magnetic holder for effortless insertion and removal of DE-X grille