Onkyo TX-SR373. Without speakers Amplifier Supports speakers with impedance ranging from 6 ohms to 16 ohms. Total Harmonic Distortion (THD): 0.06% (at 20 Hz-20 kHz, half output power). Input Sensitivity: 200 mV (Analog Input) for quick response to analog signals. Frequency Response: Very wide range from 5 hiking Hz to 100 kHz (+1 dB, -3 dB) in Direct Mode. Signal-to-Noise Ratio (S/N Ratio): Up to 106 dB, ensuring pure sound free from background noise. 2. Rear Panel Connectivity HDMI Channels: Features 4 HDMI inputs (supporting HDCP 2.2) and one HDMI output supporting Audio Return Channel (ARC) for a single-cable TV connection. Digital Audio Inputs: One Optical input, one Coaxial input for connecting older TVs or media players. *Analog Audio Inputs: Includes 3 RCA analog inputs for connecting traditional audio devices. *Video Outputs: Two inputs and one Composite Video output. Subwoofer Audio Outputs: Two Pre-Out Subwoofer outputs for distributing low frequencies (bass). Advanced Video Specifications Supported Content Protection: HDCP 2.2 standard, necessary for playing 4K Blu-ray discs and protected streaming content (like Netflix 4K). Color Space: Supports 4:4:4 color sampling and BT.2020 extended color gamut. High Dynamic Range: Fully supports HDR10 technology for superior color contrast and greater depth in lighting and shadows. Notes: No remote, but it works ** Device is working in excellent condition. Urgent sale Serious buyers contact me