Products Line array system Full range Column system Sub woofer Power amplifier Accessories Power amplifier V2.07 V2.13 V2.20 V2.08T 2 Channels Power Amplifier V4.25 V4.30(new) 4 Channels Power Amplifier Suitcase 600/800(new) 2 Channels Power Amplifier Suitcase 4250S/4250T(new) 4 Channels Power Amplifier