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Matrix Audio MP-1 Preamplifier used open-box reference listing product image 1
  • Matrix Audio MP-1 Preamplifier used open-box reference listing product image 1
Matrix Audio MP-1 Used / Open-Box Preamplifier

Matrix Audio MP-1 Used / Open-Box Preamplifier

Reference price $5,589.00

Reference price is for price anchoring only. Final quote depends on condition, accessories, version, stock, and destination.

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  • Unit details confirmed before offer
  • Lab-inspected before dispatch
  • DOA support and repair path available

Product overview

The Matrix Audio MP-1 is a Class A preamplifier from the M Series for two-channel systems using power amplifiers and passive speakers. This used / open-box private quote page helps HiFiLoop confirm the right unit and configuration before quotation.

Key features

  • Matrix Audio’s first Class A preamplifier in the M Series.
  • Fully differential transistor input stage with high-bias pure Class A output stage.
  • Four independent fully balanced amplification units across the left and right channels.
  • 3 pairs of RCA inputs and 3 pairs of XLR inputs with per-input level adjustment.
  • 1 pair of RCA outputs and 2 pairs of XLR outputs with flexible output control.
  • Resistor-array volume control using precision resistors and sealed reed relays.

Key specifications

Model Matrix Audio MP-1
Product category Preamplifier
Inputs 3 pairs RCA and 3 pairs XLR
Outputs 1 pair RCA and 2 pairs XLR
XLR input / output impedance 40 kΩ input; 40 Ω output
RCA input / output impedance 20 kΩ input; 20 Ω output
Frequency response 20 Hz-20 kHz ±0.1 dB; 250 kHz @ -3 dB
Dynamic range XLR output: 129 dB A-weighting; RCA output: 125 dB A-weighting

A-Class confirmation guide

What is reviewed before a reference page moves forward.

These notes explain how lab checks, condition records, shipping boundaries, and sourcing requests are handled before manual confirmation.

01 / Lab check

Pre-Listing Lab Check

Function and condition are checked before confirmation.

02 / Condition and kit

Condition & Kit Recorded Separately

Condition is not a shortcut for every detail.

03 / Request details

Details to Share

Send the details needed for review.

04 / Sourcing path

Manual Confirmation & Sourcing Path

Start the request before confirmation.

What this listing means

This is a used / open-box reference page for this model. The exact unit, included kit, timing, and support terms are confirmed before payment.

Before you make an offer

  • Check the exact unit photos and condition notes
  • Confirm included accessories and version details
  • Use the final quote as the decision point

Inspection & condition

Function, cosmetics, accessories, and known limitations are reviewed for the exact unit before dispatch.

Shipping & support

Processing is normally 3-5 business days after confirmation. International delivery is commonly 7-15 days; DOA and repair support are confirmed by destination.

What does Reference price mean?

It is a price anchor for comparison. It is not the final quote.

Is this exact unit ready to ship?

Not from this page alone. HiFiLoop confirms the exact unit and timing before payment.

Can HiFiLoop help me find another unit?

Yes. Share the target model, preferred condition, budget range, and destination so HiFiLoop can look for a suitable unit.

Need confirmation

Confirm the exact unit before the final decision.

Send an offer, sourcing request, or availability check when you want exact-unit photos, accessories, condition notes, and quote details.

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