SKU: 13491238950

Pro-Ject Phono Box RS2 True Balanced Phono Preamplifier

Sale price$1259.55 Regular price$1399.50
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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

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Description

Pro-Ject Phono Box RS2 True Balanced Phono PreamplifierReference class phono preamplifier with unique impedance control The Phono Box RS2 is the ultimate phono preamplifier of the highest class. It is fully balanced from the input to the output. Electronics are fully discrete, no op amps are in use and it uses split passive RIAA and DECCA equalisation. Discrete Circuitry A discrete circuit is composed of electronic components which are disparate, individual devices, also called discrete components. These

Reference class phono preamplifier with unique impedance control

The Phono Box RS2 is the ultimate phono preamplifier of the highest class. It is fully balanced from the input to the output. Electronics are fully discrete, no op-amps are in use and it uses split passive RIAA and DECCA equalisation.

Discrete Circuitry

A discrete circuit is composed of electronic components which are disparate, individual devices, also called discrete components. These can be “passive” components, like resistors, capacitors and inductors, as well as “active” components, which in our case are transistors. The opposite to this would be an integrated circuit, which uses operational amplifiers (Op-Amps) in the signal chain. Countless hours of listening tests and years of experience have shown us that even the very best Op-Amps do not tend to be so neutral, natural, dynamic or vivid. Standard phono pre-amplifiers with integrated circuits have a few tens or hundreds of components, but discrete designs will employ hundreds or thousands of components by comparison. That makes for an extended and more costly design process, but results in the best sound for your money.

Fully Balanced

The Phono Box RS2 employs a true fully balanced design principle. Balanced transmissions consist of a hot and a cold (also called + and -) signal. Both the + and – signal chains effectively carry the same musical information. A true balanced amplifier can now extract the final musical information out the +/- signals and subtract, remove, all noise that could potentially be added along the transmission. In a true, fully balanced amplifier, like the Phono Box RS2, the + and – sections of both the left and right channel are treated individually, which doubles the amplifier sections by 2 as a result.

Split passive EQ

The Phono Box RS2 uses split passive equalization for both of its RIAA and DECA curves. This is more costly to design and implement but ensures the most accurate representation of the ideal EQ curve. Split passive equalization allows for better impedance matching and lower deviation from the ideal RIAA or DECA curve.

Extreme cartridge loading options

No other phono-preamp in the world has such fine options of setting the gain like the Phono Box RS2. Very large ranges from 40dB (voltage amplification by 100x) up to 70dB (voltage amplification by 3690x) are possible.

Load impedance can be set continuously via potentiometer, a system invented by Pro-Ject Audio Systems. It allows you to seamlessly adjust the impedance during playback and immediately assess the impact of different loading options.

Cartridges, by nature, suffer from small imbalances between the left and right channels. To correct this the Phono Box RS2 introduces a new feature that is absolutely rare in this price category. A potentiometer allows you to adjust the exact center of the sound stage in ranges of 2dB to the left or right.

Steel/aluminium chassis

The Phono Box RS2 has a steel chassis which is covered by screwed aluminium panels. This construction brings very good rigidity and splendid isolation against interferences.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 13491238950

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4.2 ★★★★★
Based on 23 reviews
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ct13
Fort Morgan, US
★★★★★ 4
Handy small tray
Size: 8.5" x 5.8" x 1.9", Color: Black, Size: 8.5" x 5.8" x 1.9", Color: Black
This tray fits a small side table well. It holds a few remotes and has nice details.
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Reviewed in the United States on August 18, 2025
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Verified Purchase
DCB
Omaha, US
★★★★★ 5
Valet Tray
Size: 8.5" x 5.8" x 1.9", Color: Black
Perfect!
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Reviewed in the United States on April 7, 2026
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Verified Purchase
Joseph Klobuchar
Charlottesville, US
★★★★★ 5
Just lovely
Size: 8.5" x 5.8" x 1.9", Color: Orange
Purchased this several months ago and liked it, but I had received so many complements on this tray since then I had to submit this review. The tray is sturdy and put together well, and the size is exactly what was given before purchase.
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Reviewed in the United States on May 27, 2026
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Verified Purchase
Yang
Houston, US
★★★★★ 5
A Stylish and Functional Addition to My Décor!
Color: Gray 1 Pack, Size: 8" x 8" x 1.8", Color: Gray 1 Pack, Size: 8" x 8" x 1.8"
I recently purchased the ZHEM Valet Tray for Men in Dark Gray, and I couldn't be happier with this product. It's become an indispensable part of my daily routine and home décor. The design and craftsmanship of this tray are outstanding. The dark gray color is elegant and complements my furniture perfectly. It's not just a valet tray; it's also a decorative piece that adds a touch of sophistication to my nightstand and dresser. The size (8x8x1.75 inches) is ideal for holding my daily essentials like my watch, perfume, keys, and even napkins. I appreciate the versatility - it serves as a decorative piece, an organizer, and a functional tray all in one! The quality is top-notch, and it feels sturdy and well-made. It's also easy to clean, which is a big plus. Overall, the Tray has exceeded my expectations. It's a stylish and functional addition to my décor, and I highly recommend it to anyone looking for a versatile and attractive tray for their home. Five stars! ⭐⭐⭐⭐⭐
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Reviewed in the United States on September 8, 2023
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Verified Purchase
Maddie
Waukegan, US
★★★★★ 5
Super cute landing space for keys
Color: White 1 Pack, Size: 8" x 8" x 1.8", Color: White 1 Pack, Size: 8" x 8" x 1.8"
I always have trouble finding my keys and so it’s been very helpful to have a dedicated spot to easily throw them in when I get home. At first I thought it would be too big but it’s the perfect size for two wallets and keys, and it’s good quality albeit a bit expensive. The gold isn’t too shiny either, it’s a nice touch and it really reduces the look of clutter on your surfaces and helps it look more organized. It also doesn’t slip around.
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Reviewed in the United States on February 2, 2026

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