Usually 3-5 Days. 45 Day Lowest Price - 100% Satisfaction Guarantee. PM-1 Studio Monitors-One Pair. Breaking a new price point barrier, the PM-1 delivers astonishing sound at an even more astonshing price. Consisting of a 6.5" LF driver and a 1" soft dome tweeter, the PM-1 offers an impressive 50Hz to 20kHz frequency response and a biamped output power of 75w+45w at 8 ohms.