Reference price is for price anchoring only. Final quote depends on condition, accessories, version, stock, and destination.
The Matrix Audio NA-1 is a desktop Class A headphone amplifier and preamp for flagship headphones, power amplifiers, and active speaker systems. This used / open-box private quote page helps HiFiLoop confirm the right unit and configuration before quotation.
| Model | Matrix Audio NA-1 |
|---|---|
| Product category | Headphone amplifier / preamplifier |
| Analog inputs | 1 balanced input and 2 single-ended inputs |
| Headphone output power | Balanced: 18 W @ 33 Ω, 4.5 W @ 300 Ω, 2.3 W @ 600 Ω; single-ended: 7 W @ 33 Ω |
| Headphone output impedance | < 1 Ω |
| Pre out THD+N | < 0.0003% @ 20 Hz-20 kHz |
| Dimensions | 330 × 275 × 97 mm |
| Weight | 6.16 kg |
A-Class confirmation guide
These notes explain how lab checks, condition records, shipping boundaries, and sourcing requests are handled before manual confirmation.
01 / Lab check
Function and condition are checked before confirmation.
Note: Final notes are based on the unit reviewed.
02 / Condition and kit
Condition is not a shortcut for every detail.
Note: Photos and written notes should be checked against the exact unit.
03 / Request details
Send the details needed for review.
Note: Details are reviewed before the next step.
04 / Sourcing path
Start the request before confirmation.
Note: Final options are confirmed through conversation.
This is a used / open-box reference page for this model. The exact unit, included kit, timing, and support terms are confirmed before payment.
Function, cosmetics, accessories, and known limitations are reviewed for the exact unit before dispatch.
Processing is normally 3-5 business days after confirmation. International delivery is commonly 7-15 days; DOA and repair support are confirmed by destination.
It is a price anchor for comparison. It is not the final quote.
Not from this page alone. HiFiLoop confirms the exact unit and timing before payment.
Yes. Share the target model, preferred condition, budget range, and destination so HiFiLoop can look for a suitable unit.
Send an offer, sourcing request, or availability check when you want exact-unit photos, accessories, condition notes, and quote details.
