M628 is the budget counterpart to the M650, using a similar cardioid dynamic element with 40 Hz - 15 kHz response, metal frame and element ball hood. Clean, clear SSB audio from your HF transceiver. Nice audio at a nice price. $59.
Element Type: Dynamic
Frequency Response: 40 Hz - 15 kHz
Pattern / Directivity: Cardioid / Uni-directional
Impedance: 600 ohms
Sensitivity: -74 (+/-3) dB (0 dB = 1V/PA)
Finish: Matte black, matte silver ball head