What's in the box:

Audiophile M/M Phono Preamp Preamplifier with Level Controls RCA Input & Output Interfaces (Eu)

Features:
Ultra-compact phono preamp with metal shell, portable and durable.
2 * RCA(L & R) input + 2 * RCA(L & R) output interfaces.
With level control knobs for adjusting volume.
For converting the phono signal to a line level signal.
Ultra low-noise audio performance, offers excellent sound quality.

Specifications:
Color:Black
Material: Metal
Connector: RCA
Power Supply: DC 12V
Power Adapter: US/ EU plug(optional), input--110-240V 50/60Hz, output--12V 500mA
Item Size: 10.3 * 5.7 * 3cm / 4.1 * 2.2 * 1.2in
Item Weight: 174g / 6.1oz
Package Size: 22.5 * 13.5 * 8.5cm / 8.9 * 5.3 * 3.3in
Package Weight: 370g / 13.1oz

Package List:
1 * Phono Preamp
1 * Power Adapter