... Guitar Amplifier 1 Channel Input,2-Band EQ,Volume Control,Headphone Jack Speaker: 5" 10W Guitar SpeakerProduct name: 10W Guitar AmplifierProduct model ... , ISO9001:2000Features:1 Channel Input Volume Control 2-Band EQ Headphone JackTechnologies parameter:Output Power10W 4Ω S/N Rate >95dB Frequency ...