Musicworks ReFlex Ultra G4 6-Way Power Block – Pre-Owned £1,395 Musicworks ReFlex Ultra G4 6-Way Power Block – Pre-Owned This G4 6-way mains block is in excellent condition. It’s fully boxed with a UK mains lead. RRP was £2300. free UK shipping & 3-month warranty. 1 in stock ReFlex Ultra G4 6-Way Power Block - Pre-Owned quantity Add to basket SKU: 15483