The Adamson M215 monitor delivers everything you want and more in a conventional stage monitor: extremely high-power and high-performance with zero distortion. The trapezoid enclosure features symmetrical driver placement with a 50° conical waveguide resulting in outstanding directivity control. Designed for use as a stage monitor, it can also double as a superior drum or stage-fill enclosure, specifically aimed for performers wanting extra high SPL without losing intelligibility.

The M215 exhibits remarkably low distortion thanks to the superior qualities of its multi-layer Kevlar cone driver.  The two long excursion, light-weight Neodymium ND15-L drivers supply exceptional power handling with a rock solid low frequency response. Together, the brand new surround design, and Adamson's Advanced Cone Architecture, make the ND15-L the only 15” driver with zero axial modes in its entire passband, dramatically increasing the linearized mid-band response.  The cone design also enforces extreme durability in wet conditions making the M215 an ideal solution for outdoor events.

Frequency Range (+/-3 dB) 45 Hz - 18 kHz
Nominal Directivity (-6 dB) H x V 50° x 50°
Maximum Peak SPL** 143.7 dB
Components LF 2x ND15-L 15" Kevlar Neodymium Driver
Components HF B&C DE1000 4" Diaphragm / 1.5" Exit Compression Driver
Nominal Impedance LF 4 Ω
Nominal Impedance HF 8 Ω
Power Handling (AES / Peak) LF 2x 500 / 2x 2000 W
Power Handling (AES / Peak) HF 140 / 560 W
Connection 4x Speakon™ NL4
Height Front (mm / in) 470 / 18.5
Width (mm / in) 818 / 32.2
Depth (mm / in) 605 / 23.8
Weight (kg / lbs) 41.6 / 91.5
Supported Processing Lake, XTA

**12 dB crest factor pink noise at 1m, free field, using specified processing and amplification

M215 Spec Sheet One page spec sheet for the M Series M215 n/a
Adamson Load Library V5.4 Adamson's updated preset library - Requires Lake Controller 7.0.0 or higher n/a
Adamson Amplification Chart V5.4 Displays the maximum amount of Adamson loudspeakers that can be used with approved amplifiers. n/a
3D CAD Drawings 3D CAD Drawings of all M-Series enclosures n/a
ADAMSON EASE Data V17 Complete GLL library for all Adamson products n/a
XTA Preset Library V40 29dB V40 contains all the latest, updated presets for Adamson's product line. Only use with amplifiers set to 29dB amp gain. n/a
XTA Preset Library V40 32dB V40 contains all the latest, updated presets for Adamson's product line. Only use with amplifiers set to 32dB amp gain. n/a


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