EM Acoustics EMS-51X

£546.00 (£455.00 ex VAT)

The EMS-51X is a compact two-way multipurpose loudspeaker intended for a variety of applications – either as a stand-alone product, or else with the incorporation of S-48 or S-12 subwoofers to make a truly fullrange system.

(Shipping included in price)

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Description

Available 2025

An ultra-compact passive loudspeaker for use where compact size is as important as sonic performance. The EMS-51X is a compact two-way multipurpose loudspeaker intended for a variety of applications – either as a stand-alone product, or else with the incorporation of S-48 or S-12 subwoofers to make a truly fullrange system.

  • Astonishing LF performance for enclosure size
  • Premium plywood cabinet for sonic benefit over plastic
  • 5” neo LF/1.1” silk dome HF drive units
  • True passive design – no corrective DSP required
  • Sealed enclosure gives gentle 12dB/octave LF roll off
  • Flexible rigging and mounting options
  • Horizontal yoke included

To try before you buy select here

Enclosure Type Two-way passive, infinite baffle
Dimensions (HxWxD), mm/ins 250 (9.9) x 140 (5.5) x 169 (6.7)
Net/Shipping Weight 3.5/4kg (7.7/8.8lbs)
Frequency Response1 80Hz – 20kHz ± 3dB
Sensitivity2 89dB
Dispersion3 75° conical
Drive Units 5” (127mm) neodymium LF cone drive unit 1.1” (28mm) HF soft dome tweeter
Loudspeakers per amplifier DQ6: 4 per channel, DQ10: 4 per channel, DQ20: 4 per channel
Di6D: 2 per channel, Di10D: 3 per channel, Di20D: 3 per channel
Power Handling 200W RMS, 400W program
Maximum SPL 113dB continuous, 119dB peak
Nominal Impedance 8 ohms
Crossover Asymmetric internal passive
Connectors 2 x Neutrik® speakONTM NL4
Enclosure 12mm (1/2”) multi-laminate Birch plywood – rebated, pinned and glued. Finished in impact and weather resistant black or white polyurethane
Rigging & Hardware 3 x M8 threaded mounting points
Grille Hex-punched steel backed with acoustically transparent fabric
Options Colour: black only
Accessories YK-51X horizontal flying yoke, included
Spare Parts DU-502 5” drive unit, SD-1001 1.1” HF soft dome tweeter, PX-51X passive crossover assembly, RFG-51X replacement grille

Our most suitable amplifier: Yamaha PX5

This is ex hire stock in excellent condition and in original packaging, with light use only. Asset tags may be removed without trace. Estimated manufacturer’s warranty until November 2026.

Frequency sweep tests have been performed on all speakers for sale and results are comparable to new models.

The following table shows the condition of stock released for sale:

CALM Asset Tag Description SerialNumber Days Hired Out Condition
844 EM Acoustics EMS-51X MS51X1122/0289 14 SOLD
842 EM Acoustics EMS-51X MS51X1122/0272 14 SOLD

 

Additional information

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