Pro-Ject Phono Box S2 Ultra - Clearance
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- Official Hi-Fi Retailer since 1973
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We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The Pro-Ject Phono Box S2 Ultra is a compact, high-performance phono stage for customers who want a serious step up from entry-level MM/MC stages without taking up much space in the system. Built around a fully discrete, op-amp-free design, it is aimed at listeners who value greater refinement, lower noise and a more natural, more expressive presentation from their vinyl setup.
What makes it especially appealing is the amount of flexibility it gives you as your system evolves. With adjustable gain, input impedance and capacitance, the Phono Box S2 Ultra can be tailored to suit a wide range of moving magnet and moving coil cartridges. That makes it a strong choice not only for improving a current turntable setup, but also for customers planning cartridge upgrades later on.
It is also engineered to help preserve clarity and control where cheaper phono stages can struggle. The split RIAA equalisation, switchable subsonic filter and solid metal case are all designed to support cleaner, more stable playback with less unwanted interference. For customers wanting a compact phono preamp with real audiophile ambitions and strong long-term flexibility, the Phono Box S2 Ultra is an excellent option.
Key Benefits
- Fully discrete, op-amp-free circuit design helps deliver a more natural, open and musical sound
- Works with both MM and MC cartridges, making it easy to partner with a wide range of turntables and future upgrades
- Adjustable gain, impedance and capacitance help you fine-tune the sound to suit your cartridge more accurately
- Split RIAA equalisation is designed to improve tonal accuracy across the frequency range
- Switchable subsonic filter can help reduce unwanted low-frequency rumble for cleaner, more controlled bass
- Solid metal housing helps protect the signal from outside interference and supports quieter performance
- Compact size makes it easy to place neatly into smaller hi-fi systems without sacrificing performance
- 2 years manufacturers warranty, extended to 3 years if registered with Pro-Ject within 4 months of purchase
Technical Specifications
Phono Stage Details
- Product Type: Discrete MM/MC phono preamplifier
- Compatible Cartridge Types: Moving Magnet (MM) and Moving Coil (MC)
- Circuit Design: Fully discrete, op-amp-free design
- Input Impedance: 10 Ohm / 100 Ohm / 1 kOhm / 47 kOhm
- Input Capacitance: 100 pF / 220 pF
- Gain Settings: 40 dB / 43 dB / 60 dB / 63 dB
- Subsonic Filter: Switchable, -18 dB @ 20 Hz
- Signal to Noise Ratio: 89 dB (MM)
- THD: 0.00052%
- RIAA Accuracy: < 0.4 dB / 20 Hz - 20 kHz
- Inputs / Outputs: 1 pair RCA input, 1 pair RCA output
- Power Consumption: 18 V / 80 mA
- Power Supply: 18 V DC / 500 mA outboard power supply
Weight & Dimensions
- Dimensions: 10.3 x 3.7 x 11.9 cm (W x H x D)
- Weight: 0.57 kg without power supply
What’s in the Box
- Pro-Ject Phono Box S2 Ultra phono preamplifier
- 18 V DC power supply
- Product documentation
