The moisture meter can quickly measure the moisture content of the grain. 1. PRACTICAL: A phono preamplifier that converts sound signals into linear-level signals with this advanced sound preamplifier with electromagnetic transducers with input sensitivity. 2. APPLICATION: The amplifier allows you to connect any turntable to modern sound equipment without the need for a dedicated phono input to amplify music. For the receiver, it can be connected to speakers, computers, laptops, etc. 3. DC 12V POWER SUPPLY, DUAL GAIN: The preamplifier with DC 12V power supply is no longer limited to application scenarios. PP500P adds gain adjustment set on input and output, volume can be played perfectly. 4. STABLE PERFORMANCE: The low noise operational preamplifier provides excellent sound quality. The output is a maximum of 2 V (PP) at 10 kilooms. It is best to place the preamplifier close to the source to reduce unwanted noise and interference. 5. PLUG AND PLAY: The mini phono preamplifier has a stereo RCA input and RCA output, making it easy to connect turntables to RCA input and grounding. Then also connect the preamp receiver to the RCA output. Specification: Item Type: Phono Preamplifier Material: metal Model: PP500P Black color Scope of application: turntable Plug Voltage: EU Plug 100-240V List of packages: 1 phono preamplifier 1 x Power Supply 1 x Manual plug and play