The Denon Professional DN-A300M Professional Integrated Amplifier is the ideal solution for any sound reinforcement installation or application needing an affordable compact PA system. Complete with 2 — 100 Watt switchable power amps and a front-panel microphone input with auto-sensing music ducking, the DN-A300M allows a user the ability to broadcast a message over any of the 6 audio source inputs. It's a hifi stereo amp, with clear text on the front for easy use. With remote control for volume and input selection. 2 x 100w Power Amplifiers A/B Speaker On/Off buttons 6 - unbalanced RCA audio inputs with grounded phono inlet 2 - unbalanced record outputs 1 - unbalanced Pre-out for connection to external amplification Front-panel mounted 1/4” MIC jack allows for paging and announcements Functions 2 x 100w power amplifiers A/B on/off speaker buttons 6 - Unbalanced RCA audio inputs with grounded phono inlet 2 - unbalanced record outputs 1 - unbalanced pre-out for connection to external amplification Front-mounted 1/4" MIC jack provides paging and announcements 3 rear mounted AC inlets for powering additional equipment such as a CD player/changer or AM/FM/satellite radio tuner (1-unswitched, 2-switching) Multiple MIC mixing options including Auto Music Mute and MIC Mix Fully adjustable MIC level or automate the MIC level with the DNA300M internal AGC MIC circuit Bass and Treble adjustments with Loudness switch Control all functions of the product (and other Denon Pro products) with the included IR remote control 3U Rack kit included Denon Professional 3 year warranty Specifications Power amplifier section Rated Power Output 2-channel drive (CD --> SP Out): 70W 70W (8 ohm, 20Hz - 20kHz, THD 0.07%)110W 110 (4 ohm, DIN, 1kHz, THD 0.7%) High Frequency Distortion: 0.01% (Rated Output: -3dB), 8 ohms, 1kHz Output Speaker Terminals: A or B: 4 ~ 16 ohmsA B: 8 ~ 16 ohms preamp section Input sensitivity Phono (MM): 2.5mV CD, Tuner, DVD/AUX, Tape-1, Tape-2: 150mV MIC: 0.6mV Input impedance Phono (MM): 32 kohms CD, Tuner, DVD/AUX, Tape-1, Tape-2: 33 kohms Microphone: 4 kohms RIAA deviation PHONO (MM): 20Hz-20kHz 0.5dB General versions Signal to noise ratio (a network) Phono (MM): 76dB CD, Tuner, DVD/AUX, Tape-1, Tape-2: 105dB MIC: 60dB Show Control Bass: 100Hz 8dB Treble: 10kHz 8dB Loudness: 100Hz 6dB, 10kHz 4dB General Power outlets: 1 unswitched / 2 enabled Total capacity: 120W [CNAPT120] (1A) Power supply: AC 120V, 60Hz Power consumption: 3.3A Dimensions:483(W) x 140(H) x 372(D) mm19"(W) x 5 1/2"(H) x 14 21/32"(D) Net weight: 10.3 kg (22 pounds 11.3 oz) Operating temperature: 5 to 35C (41 to 95F) Storage Temperature: -20 to 60 C (4 to 140F) External Control Unit (RC-1101) External Control Type: Infrared Pulse Power supply: R03/AAA type (2 batteries) External Dimensions:50(W) x 200(H) x 27(D)mm2"(W) x 7 55/64"(H) x 1"(D) Weight: 128g (~4.5 oz)(including batteries) Some signs of use on the case and upper front see detailed pictures. Carefully shipped