Behringer GX210 Ultratwin Guitar Amplifier with DFX. Has some signs of use, though everything is working fine. It is missing a bass button, though it does work normally. Foot pedal s not included. Overview Specs Warranties and Docs Reviews. Specifications. Audio Inputs: Connector: 1/4 inch mono jack. Type: RF filtered input. Guitar input impedance: Approx. 1 MOhm unbalanced. Insert return impedance: Approx. 50 kOhm unbalanced. Aux input impedance: Approx. 10 kOhm unbalanced. Slave input impedance: Approx. 20 kOhm unbalanced. Tape input, Connector: RCA. Impedance: Approx. 10 kOhm unbalanced. Audio Outputs: Connector: 1/4 inch mono jack. Type: Line level output. Insert send impedance: Approx. 1 kOhm unbalanced. Line output. Impedance: Approx. 100 Ohms unbalanced. Maximum output level: +12 dBu unbalanced. Tape output: Connector: RCA. Impedance: Approx. 100 Ohms unbalanced. Maximum output level: +12 dBu unbalanced. Power Amp Specifications: Power amp output: 2 x 30 Watts RMS @ 5 % THD + N into 8 Ohms. MIDI Interface Type: 5-pin-DIN-socket, MIDI IN. Digital Processing: Converters: 24-bit sigma-delta, 64/128-times oversampling. Sampling rate: 46.875 kHz. Display: Type: 2-digit numeric LED-display. Loudspeakers: Type: 2 x 10 in. heavy duty loudspeaker, model JENSEN JCH10/35. Impedance: 8 Ohms. Power handling: 35 Watts. Power Supply: Mains voltages: USA/Canada 120 V ~. Power consumption: Approx. 30 Watts min. / approx. 110 Watts max. Fuse: 100 - 120 V ~: T 2.5 A H. Mains connection: Standard IEC receptacle.