CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
4 x 6 inch oval speaker - 8 ohm 15 watt Gottlieb. Diagonal hole-to-hole measurement is 6-1/4 inches, 3 inches on short side and 5-1/4 inches on long side.
Depending on availability, speaker may be a slightly higher wattage and is considered an upgrade.
Reference:
28296