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 inch square speaker. 4-5/8 inch diagonal hole to hole. 4 ohm 10 watt speaker used on many pinball machine backbox speaker assemblies including GottliebĀ® pinball speaker assemblies.
Depending on availability, speaker may be a slightly higher wattage and is considered an upgrade.
Reference:
29504 left speaker 4 ohm 10 watt 4 inch square29503 right speaker 4 ohm, 8 watt 2-1/2 inch squareCan substitute for 031-5004-00 speaker