Q450 Four Zone Multiroom Controller Amplifier

Q450 with keypad and IR control

Money For Nothing!

The Knoll Q450 is a multiroom amp designed to be hidden away when space is at a premium or you merely want to hide the AV system from view.  It features four 50 watt stereo power amplifiers, screw down terminals and is controlled via keypads and remote controls. Balanced input wall plates allow sources from rooms up to 1500’ (450 m) away and are available with Bluetooth receivers. Easy to follow instructions are included in each and every kit for pain-free installation.  Best of all, Eco-System automatic shut-off saves so much money, it will pay for itself in no time!

The Knoll Q450... great sound that pays for itself!   Multiroom made easy!


  • Listen to tunes with a beach view...Four-source input selection from local source or balanced input source.
  • Four-rooms zone 50 watts RMS (25 watts per channel room).
  • Four zone controlled line level outputs so larger amplifiers and subwoofers can be easily added.
  • Automatic protection circuitry.
  • Individual room input source selection, volume, bass and treble adjustment.
  • Keypads include Knoll exclusive Ultra-Wide Bandwidth infrared receivers that work with the latest difficult to control pvrs and dvrs.
  • Unique shape allows it to be hidden away in closets, cupboards and places not normally associated with electronic installations.
  • Balanced input wall plates allow sources to be up to 1500 feet (450 meters) away from amp. An industry first! Available in two styles, with and without a Bluetooth receiver.

    Made in Canada/Fabrique au CanadaMade in Canada

    Q450 Specifications:

    Inputs 8 gold RCA jacks and four stereo balanced inputs
    Input impedance 50k ohms (on RCA inputs)
    Outputs Removable screw terminal, accepts 12-20 gauge wire and RCA line level
    Output power 25 watts RMS per channel (8 ohms). 50 watts per zone. Class D
    Peak output power 50 watts per channel (8 ohms)
    Ideal impedance 4 - 8 ohms
    Frequency response 20 Hz - 20 kHz +/- 1dB (1w)
    S/N ratio Over 92 dB A weighted (25 watts)
    THD distortion Less than 0.1% 20 Hz to 20 kHz
    IMD distortion Less than 0.01% 60 Hz 7 kHz 4:1 (SMPTE)
    Control System MR44 keypad control and RB8 remote controls
    Fan Noise No fan
    Source Selection Four stereo inputs to four stereo outputs
    Dimensions  3.5" x 2" x 13.2" (89 x 53 x 333 mm)
    Power 200 watts at 100-240 VAC 50/60 Hz
    Weight 2 lbs (1 kg) without detachable power supply


    Different MR44 looks... Note: Specifications subject to change without notice. The Q450 features keypad and remote control only. The Q450rs features RS232 control that can be easily connected to ethernet or wifi with a 3rd party adaptor.


    The Q450 is controlled by MR44 keypads, one per room or zone. The MR44 features our world class Ultra Wide Bandwitch infrared repeater that works with newer difficult to control satellite and cable pvrs and dvrs. It features backlit buttons, four source selection, bass and treble adjustment, volume up/down, mute, power off with selected volume level indication.  The standard plate color is white, with options of light almond, ivory and black colors.


    BIB module shownOptions:

    BIB (Balanced Input Bluetooth) input wall plates for distant connection of stereo sources. Includes internal Bluetooth receiver and local 3.5mm stereo wired source input. Connects with a single home run cat5 wire. Emitter output connector included.  BIB module shown

    BIX (Balanced Input eXtender) input wall plates for distant connection of wired stereo sources. 3.5mm stereo input jack. Connects with a single home run cat5 wire. Emitter output connector included.

    DEX (Digital EXtender) allows use of MR44 keypads with longer Cat5e wires and where electro-magnetic interference prohibits normal use of keypads.

    MR44 KEYPAD MEMBRANES Optional membrane style with three different source identifications.

    UDS-STEREO (Balanced Input Plate) input wall plates for distant connection of wired stereo sources. Gold stereo input RCA jacks. Connects with a single home run cat5 wire. Similar to BIX plate above.


    Q450 manual...  Q450 cut-sheet...