The Rolls VP29 phono/ preamplifier is designed for use with amplifiers, mixers, or stereo systems that do not provide turntable inputs. Boasting dual RCA inputs, ground terminal connection, and dual RCA stereo line-level outputs, it offers flexibility for various audio setups. The inclusion of a separate 1/8" stereo line-level output enhances compatibility, while its adherence to the RIAA standard EQ compensation curve ensures balanced playback. Despite being DC powered and including an AC adapter, the VP29's compact and rugged design remains unobtrusive and portable. With a focus on ease of use, reliability, and enhanced audio quality, this preamp is an ideal choice for both beginners and audio enthusiasts seeking a versatile and reliable solution for their audio systems. Specifications:Input Sensitivity: 42 dB gain 1kHz, 47k OhmsInput Capacitance: 120pfSensitivity: 5mV for 635mV outputInput Impedance: 47k OhmsFrequency Response: / - .5 dB 20 Hz - 20 kHz (Conforms to RIAA Equalization Curve)PWR: 9 - 15 VDCTHD .01% @ 1 kHzS/N Ratio: >83 dB unweightedOutput Impedance: 1K OhmsSize: 3.25" x 2" x 1.5"RIAA EqualizationRCA inputs / outputs - 1/8 inch (3.5mm) TRS output.AC adapter included Bundle Includes:Rolls VP29 Phono Preamp - REDWire Ties2x RCA Male to Male Gold Stereo Audio Cable - 6ft.6ft Black Audio Cable 3.5mm 1/8 inch Mono Male to RCA Mono Male Connectors (Gold Plated) Cleaning Kit