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Pro-Ject Phono Box S3 B
Pro-Ject Phono Box S3 B
Pro-Ject Phono Box S3 B
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Pro-Ject Phono Box S3 B

Marsoni M251S
Sale price$349.50
Pay 4 payments of $87.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Pro-Ject Phono Box S3 BHigh End Features at an Affordable PriceThe Phono Box S3 B is a phono preamplifier that offers a fully balanced design in a neat, small package. Pro Ject have packed this tiny chassis to the brim with high end features. One of those is their new True Balanced Connection. When used in combination with a Pro Ject turntable with a 5 pin balanced output and 5P to XLR cable, you can achieve a totally balanced connection, minimising noise and delivering a
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Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 77 reviews
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Product Reviews
R
Verified Purchase
Ryan
Fort Morgan, US
★★★★★ 5
Durable Solenoid for Starter and Trim
Number of Items: 1
Installed easily and works perfectly. Engages the trim and starter reliably every time. Solid, durable, and great value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
C
Verified Purchase
Cuz
Alexandria, US
★★★★★ 5
Works Great
Number of Items: 1
I have a 1988 mercury/mariner 75 hp motor. My motor would not go down. Purchased this solenoid to replace the old one. Fit perfect and fixed my problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 30, 2025
G
Verified Purchase
Gary Miller
Massapequa, US
★★★★★ 5
Just the part I needed
Number of Items: 1
It was a perfect match to the one I needed to replace. And the shipping was lightning fast
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
S
Verified Purchase
steven clark
Pawtucket, US
★★★★★ 5
Works great
Number of Items: 1
Works great easy fix for my Merc. Trim motor
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
L
Verified Purchase
Lori
San Leandro, US
★★★★★ 5
Worked well
Number of Items: 1
Worked well for the money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025

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