Genelec 8050APM - 2 way active studio monitor, free field frequency response: 38Hz-20kHz (+/-2dB), 120dB SPL (peak per pair), 205mm (8) bass driver, 25mm (1) metal dome tweeter with DCW (Directivity Control Waveguide), 1.8 kHz crossover, amplifier power: 150watts (LF), 120watts HF, magnetically shielded. Speaker dimensions: 433 x 286 x 278mm (HxWxD). Speaker height with Iso-Pod: 452mm. Manufactured from aluminum. Weight 12.7kg. (Each).