Sterling’s WaveGuidanceVH technology claims that the MX monitors a very wide “sweet spot,” with extraordinarily wide and high dispersion allowing for even when listening off-axis both horizontally and vertically.
All three models feature variable highpass (+2, 0, or -2 dB) and lowpass (-3, 0, or +3 dB) filters that enable you to custom tune your MX monitors to suit your listening preferences and recording environment. The MX8 and MX5 provide balanced XLR, balanced ¼-inch TRS, and unbalanced RCA inputs; the MX3 offers unbalanced RCA inputs.
The MX8s will be priced at $249.99; MX5s for $149.99 and the compact MX3s will be $99.99 for a pair. More specs are here.