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(03) 9372 6664

QUEST QM450A Powered Multi-purpose Speaker System

The QM450A is primarily designed for mobile compact production and audio visual rental companies who need a lightweight versatile powered speaker with an emphasis on voice projection. Amplifier power is supplied by a new Quest Engineering innovative combination “Hybridtec” digital class D and analogue class A/B amplifier system and controlled by an internal analogue system controller.

Simplified Controls on the rear of the QM-450A make operation easy. The QM-450A features an XLR input, XLR link output, Gain control, 110Hz High Pass/voice boost switch as well as individually coloured Peak-Clip-Signal-Power LED indicators providing clear and immediate visual indicators.


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QUEST QM450A Powered Multi-purpose Speaker System-Specifications Power Amplifier Module Output 450 / 400+50 W RMS Frequency Response 60 – 18 kHz (+/-3dB) Maximum SPL output @ 1m 129.5dB @ 1kHz Input Impedance 22kOhm balanced Amplifier Protection Limiter, Clip, short-circuit, on and off Connections 1x XLR input 1x XLR output link Controls Power , Volume (Gain), 110Hz high-pass Mode Indicators Power, Signal, Clip, Peak square LEDs Woofer Tweeter 12" high power mid-bass woofer 1" ferrite compression driver Directivity Asymmetric +15/-45 vertical l 45/60 horizontal Dimensions (HxDxW) 620 x 380 x 346.5 mm Weight 20kg Net

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We will ship to most Australian locations COMPLETELY FREE for orders under 3kgs and over $50. There may be some exceptions for excessively bulky or large items, remote locations and some regional areas. We will contact you if this problem arises prior to shipping the goods. Please note - WE DO NOT DELIVER TO PO BOXES.


We use a nominated freight company or post to ensure the fastest possible delivery time (approx. 2-3 working days). In the event of goods being temporarily out of stock, we will notify you immediately of any possible delay.


Small parcel orders under $50 as well as under 3kg will be shipped for a $10.00 flat fee. Anything over 3kgs will be shipped at our Best Price shipping cost.


Express delivery is also available. Costs are dependent on the delivery location and size and weight of your order.


Our aim is to provide a fast, cost effective and safe delivery of your order. If you have any problems or concerns regarding the delivery of your order please notify us immediately and we'll solve them as quickly and painlessly as possible!


If you wish to pay for special freight instructions via direct deposit, please use the details below:

BSB: 083266
ACC: 131042008


Please ensure you mark the payment with your name, so we can easily identify your payment.


Please note:

For customers living in REMOTE POSTCODE AREA’S an additional freight cost of $58.00 will be added to the freight charge on your order (not seen at the checkout). In all cases we will call you and get the best possible freight costs available to your home or workplace. See below link for remote area list.

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Ask a question below or Call us on 03 9372 6664 or Visit us at GH Music Pty. Ltd 100 Mt. Alexander Road, Flemington, VIC 3031, Australia.
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Our Price AUD $599.00
Don't pay RRP AUD $1,195.00