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Pro-Ject: Phono Box MM Phono Pre-Amp

$66.75 USD $66.75
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1-Year + 180-Day Warranty

So that you can buy with confidence, we provide a comprehensive warranty on every product.

  • Warranty Period: This product comes with a 12-month standard warranty.
  • Extended Warranty: Buy from our official website and you can register directly for the extended warranty, adding a further 180 days of coverage.

For more details, see the [Warranty Policy].

After your purchase, be sure to complete [Product Registration] to activate your warranty.

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    If you are not satisfied, you may return or exchange the item within 30 days of delivery.
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Please note that if shipping protection is not added, compensation is handled according to the carrier's rules and the applicable conditions. We are always happy to help with logistics inquiries, but the scope of compensation follows the carrier's policy.

For full details, please see the [Shipping Policy] and [Return Policy] pages.

Features

Specifications

Product Specifications Value

Product Name

Pro-Ject: Phono Box MM Phono Pre-Amp
Model Number 99405622
Age Range 5+
Shipping Free shipping
Delivery Time 1–5 days

Reviews (86)

Customer Reviews

Based on 12 reviewsVerified Checkmark
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04/07/2026
Eddy Raw
04/07/2026
Amazon Customer
04/07/2026
ris999ing
04/07/2026
Shimazori
04/07/2026
Fussara

Payment & Security

Payment methods

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Your payment information is processed securely. We do not store credit card details, nor do we have access to your credit card information.

LAB POINTS

  • Pro-Ject's most affordable phono preamplifier
  • allows you to plug a turntable directly into a stereo system, amplifier, computer, or any other device that takes line level input.
  • low noise, low distortion
  • RCA inputs and outputs
  • flat RIAA equalization curve (what you want for a preamp)

LAB REVIEW

Most turntables need a phono preamp to work with stereos, computers, and speaker systems (unless your device has a "phono" input, which is rare). The Phono Box MM is a simple, cost effective solution which will convert your phono output into a low noise, low distortion, line level output.

KEY FEATURES

  • input impedence: 47k ohms / 100pF
  • gain: 40dB
  • output voltage: 500mV / 1 kHz at 5mV
  • signal to noise ratio: 88 dB / A-weighted
  • THD: <0.04%
  • dimensions: 4.2 x 1.2 x 2.4 in., 107 x 30 x 61 mm; 9.9 oz., 280 g

COMES WITH

  • power supply

Brand:
Pro-Ject
Category:
_STEREO-COMP-preamp
SKU:
eq-939a-ttlsf
Tags:
Lab Pick, phono preamps, Pro-Ject Audio Components, Pro-Ject Phono Preamps

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