Open Box / B - Stock Details: The exterior is in great shape, scoring 8.0 out of 10 with just some surface wear. The item's cosmetics are not noted, and it has been tested for function. It comes in its original packaging, which might show some damage. Remember, all open - box items are final sale.
This phono preamp is a high - quality device with volume control. Using Surface - Mount Technology (SMT), it offers improved performance and an ultra - low signal - to - noise ratio. It's compatible with both MM and MC cartridges and has a switchable subsonic filter to get rid of inaudible, potentially harmful bass frequencies.
The illuminated gain control wheel knob and on - off switch add to its user - friendliness. It has a resonance - free, machined aluminum housing and a built - in headphone amp. With a 3 - year warranty upon registration, it's a great investment.
Key features include high - quality, gold - plated RCA inputs and outputs with a grounding post. It offers 34 dB amplification in MM mode and 54 dB in MC mode, with a signal - to - noise ratio of 72 dB (MC 'A' weighted) and 85 dB (MM 'A' weighted). The maximum output is 10 V eff., and it measures 3.7' x 4.9' x 1.3' (93 x 124 x 33mm) and weighs 1.3 lbs. (620g). It also comes with power adaptors for the US, EU, and UK.

Using your Clearaudio Smart Phono V2 Phono Preamp is easy. First, connect your turntable to the gold - plated RCA inputs. Make sure to connect the grounding post to avoid any unwanted noise. Decide whether you're using an MM or MC cartridge and switch the setting accordingly. You can also turn on the subsonic filter to remove those low - frequency noises you can't hear but that might damage your equipment.
To control the volume, use the illuminated gain control wheel knob. The on - off switch makes it simple to power the device on and off. If you want to use headphones, just plug them into the built - in headphone amp.
When it comes to maintenance, keep the aluminum housing clean with a soft, dry cloth. Avoid using harsh chemicals as they might damage the finish. Also, make sure to keep the device in a dry and cool place. Since it's an open - box item, remember that the sale is final, so test it out soon after you get it. And don't forget to register your product to get the 3 - year warranty.