What's in the box:

Passive Audio Volume Controller with Fully-Balanced & Single-Ended Mode XLR & RCA Interface for Home Stereo System Pre-Amplifier Speaker (Standard)

Features:
Passive Preamp/Speaker Volume Controller: It needs no external power supply to work--plug and play.
Small Body: Ultra-compact controller, made of solid durable metal housing, is space-saving, easy to carry.
High Sound Quality: Stable, lossless transmission ensures pure, original sound with no noise.
Easy Control: Front panel has switch to select fully-balanced or single-ended input/output; back has RCA & XLR interface.
Wide Application: The device can connect with audio equipment that has no volume adjustment, very suitable for stereo system.

Specifications:
Material: Metal + Electronic Components
Color: Black
Input: 2-Channel
Output: 2-Channel
Connector: XLR, RCA
Impedance: 10K - 50K
Item Size: 145*65*43mm / 5.70*2.55*1.69in
Item Weight: 320g / 11.28oz
Package Size: 200*180*55mm / 7.87*7.08*2.16in
Package Weight: 420g / 14.81oz

Note:
Volume controller and cable only, other accessories in the pictures are not included.
Due to lighting or other reasons, the picture and material object may slightly differ.
Due to manual measurement, there may be deviation, please in kind prevail.

Packing List:
1 * Volume Controller
1 * Cable