Marantz AMP 20 12Ch Power Amplifier
Seen it cheaper? Talk to us.Trade in your old amplifier typically $400–$900 toward this
Pickup available at Alexandria Showroom · Usually ready in 2-4 days
4 interest-free payments of $2,500, paid fortnightly.
Pay over time with Zip. Zip Pay is interest-free with a monthly account fee; Zip Money offers an interest-free promotional period, after which standard interest and fees apply.
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Shipping & delivery
Free insured shipping Australia-wide on orders over $79. Every parcel is tracked and covered in transit.
Most orders dispatch within 1–2 business days, shipping either from our Alexandria warehouse or directly from the supplier, depending on the product. Delivery is usually 2–7 business days.
Large or heavy items (floorstanders, subwoofers, racks) ship by dedicated freight. You'll receive a tracking number so you can follow your order and see its expected delivery date.
Local pickup can be arranged from our Alexandria showroom. Please get in touch first so we can have your order ready. Remote-area delivery may take a little longer.
Key Features
- Detailed and immersive sound transforms your home theatre
- 200 watts per channel into 8Ω / 400 watts per channel into 4Ω
- 12 channels powers large home theatres
- Bi-amp mode drives high- and low-frequency sections of loudspeakers independently
- BTL Mode (Bridge mode) combines two channels into a single 400-watt per channel into 8Ω
- Perfect match for Marantz AV 20 preamplifier
- Balanced XLR input is ideal for reducing input noise
- Porthole with analogue meter measures output
- Soft side lights cast a warm glow on the front surface of the amplifier
- Elegant design matches rich, warm sound
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Powerful, Low-Distortion PerformanceAMP 20 delivers exceptional power and clarity across various configurations. Designed with the same premium standards as the AMP 10, this 12-channel amplifier provides 200 watts per channel into 8 ohms (1kHz, THD 0.05% with 2 channels driven), offering reliable performance for advanced speaker setups. |
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Flexible Output OptionsAMP 20 supports bridging two 200W channels into a single 400W channel using BTL (Bridge-Tied Load) mode, accommodating up to six bridged outputs. It also enables bi-amping for up to six loudspeakers, and offers both balanced (XLR) and unbalanced (RCA) input connections. |
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Ideal for Marantz System IntegrationAMP 20 integrates seamlessly with other Marantz components. It serves as a powerful upgrade for CINEMA 30 users or as a match for AV 10 preamps when fewer channels are needed. For systems requiring more than 12 channels, users can opt for the 16-channel AMP 10 instead. |
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Premium Design and EngineeringAMP 20 and AV 20 reflect Marantz’s pursuit of premium performance, elegant design, and engineering excellence—broadening their high-end home theater offerings. |
Free insured shipping Australia-wide on orders over $79. 30-day change-of-mind returns in original condition. Full manufacturer's Australian warranty.
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◆ Questions?
Talk to Scott before you buy
Not sure if it’s right for your room? I’ll give you honest, no-pressure advice by phone, video, or in our showroom. We’re specialists, not box-shifters.
Scott · Founder, CHT Solutions
Authorised Australian dealer: genuine Australian stock & full warranty, never grey import.










