


We will not accept request to change shipping address once payment has been made.Payments made using an unverified PayPal address will be refunded and order will be canceled. Once payment is made shipping address can not be changed/altered. When making payment please confirm your address has been verified with PayPal.

Shipping is available only to PayPal verified addresses.Please contact a member of our team for detailed shipping charges. Virgin Islands, Northern Mariana Islands, American Samoa, Canada, and other countries may require additional shipping fees. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam, U.S. All pre-selected shipping rates and methods are for customers with a valid residential or commercial address within the Contiguous 48 United States (PO Boxes address may require additional charges).All orders over $500 will require a signature for delivery.With Free Same Business Day Shipping we work to get you your order Fast. Tune subwoofer enclosures for maximum power transferĪuto-shutoff timer 8 - 10 minutes after ON button is pressedīattery self-test and display of condition when AMM-1 is initialized Find Tuning Frequency of subwoofer enclosures Measure Phase Difference between Voltage and Current into reactive loads (Power Factor)

Measure Impedance of speakers at any power or frequency from 20Hz - 1kHz (box rise) Measure DC voltage drops during quick transients on cable runs or battery/charging systems Measure True Amplifier Power output into any load reactive or resistive The Audio Multimeter and Handheld Dyno Measure true amplifier power! Measure impedance of speaker boxes. SMD AMM-1 Steve Meade Designs Impedance / Dyno / Wattage Audio Multimeter
