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The fair market price for Apollon NCx500 Mono Amplifiers in AUD is estimated at AUD $2,200–$2,800 for a single unit in as-new/mint used condition, based on recent Australian classified listings for comparable Apollon NCx500 ST stereo models (which use dual NCx500 modules) and adjusted for mono configuration.
### Price Range by Condition
- As-new/mint used (lightly used, <3 months): AUD $2,200–$2,800 per mono unit. This derives from:
- AUD $2,000 for an NCx500 ST stereo (dual mono equivalent) listed as-new with upgraded Sonic Imagery 994 input buffer, purchased June 2024 for AUD $3,000 incl. duties/taxes.
- AUD $1,850 for a similar NCx500 stereo as-new, RRP AUD $2,850 (paid ~AUD $3,000).
- Single mono units typically command 60–70% of stereo pricing due to lower total power/output channels, yielding the adjusted range (conservatively estimated as listings are from the same VIC seller within days).
- New: AUD $3,000+ per unit (incl. import duties/taxes to Australia), per seller-reported purchase costs; manufacturer's EU pricing starts at ~1,290€ (~AUD $2,100 excl. VAT/shipping/duties) for NCx500 Mini Monoblock.
- Used (moderate/heavy): Likely AUD $1,500–$2,000, though no listings found; expect 20–30% depreciation from as-new based on age/usage patterns in similar Hypex NCx500 amps.
| Condition | Typical Price Range (AUD, per mono unit) | Supporting Evidence |
|-----------|-----------------------------------------|----------------------|
| New | $3,000+ | Seller purchase incl. duties; EU base ~AUD $2,100 |
| As-new/mint used | $2,200–$2,800 | Adjusted from stereo listings |
| Moderate/used | $1,500–$2,000 | Inferred depreciation (no direct listings) |
### Key Factors Affecting Value
- Configuration (mono vs. stereo): Mono listings absent; stereo "ST" models (dual NCx500) priced lower per module, so mono fetches premium per channel.
- Upgrades: Sonic Imagery 994 input buffer boosts value (noted in listings).
- Condition/age: As-new (<3 months use) holds 65–75% of new price; no boxes/power cables deduct ~AUD $100–200.
- Location/shipping: VIC/Australia listings; import duties/taxes add 20–30% for new imports.
- Market trends: Limited supply in Australia (same seller dominates recent ads); Hypex NCx500 praised for low distortion (THD+N 0.0002%) drives demand, but some forum complaints on Apollon service may soften prices.
- Accessories/warranty: Original receipts enhance trust; 12V trigger, Furutech inlet standard but missing cables reduce appeal.
Listings are from March 2026 (6–7 days old), indicating active but thin market; prices may fluctuate with more mono-specific sales.








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