Bose SM10, Delta Q Array Loudspeaker stocking-stuffers the SDE-3000D gives you two

the SDE-3000D gives you two discrete delays with independent parameters and mono or stereo modulation on each

ensuring it stays firmly in place

Width: 249 mm

and no front or rear plates to remove (and misplace)

Bose SM10, Delta Q Array Loudspeaker stocking-stuffers the SDE-3000D gives you twoThe Bose SM10, Delta Q Array Loudspeaker provide 10 Deg nominal vertical coverage with included field changeable waveguides offering choice of 70 Deg or 100 Deg horizontal coverage. Replace single waveguide panel to form horizontal asymmetrical patterns. The 2 way module requires external power amplifiers (2 channels) and DSP to provide full range response from 59 18,000 Hz with peak array output up to 145 dB. DeltaQ technology is the next generation