Free Shipping HT-K4 Heavy-Duty Training Telegraph Key, CW Manual Morse Code Practice Key, Professional Morse Key with Adjustable Tone

Description:

This HT-K4 heavy-duty training telegraph key is designed for CW manual keying and Morse code practice. The key section is made of metal with precision craftsmanship, offering a solid feel and stable performance. It is suitable for school club training, personal skill learning, radio telegraphy, and other practice needs. The contact gap and spring damping are adjustable, and the round key cap provides a comfortable keying experience. It supports DC 9-12V or 9V battery power (battery not included), has a built-in speaker, and can output to a mono earphone through the 3.5mm jack. The tone is adjustable from 500Hz to 1500Hz. A key audio cable is included for connecting to a radio for telegraphy.

Product Name: Heavy-Duty Training Telegraph Key
Model: HT-K4
Material: Metal + Plastic
Power Supply: DC 9-12V or 9V battery (battery not included)
Earphone Jack: 3.5mm
Key Connector: 3.5mm
Tone Adjustment: 500-1500Hz (knob adjustment)
Product Size: 180 x 95 x 65 mm
Product Weight: 980 g

The key section is made of metal material with precision craftsmanship, offering a solid feel, stable performance, practical use, and collectible value.
Suitable for school club training, personal skill learning, radio telegraphy, and more.
Adjustable contact gap and spring damping for a customizable keying feel.
Round key cap design.
Two power supply options: DC 9-12V input or 9V battery (battery not included).
Built-in speaker for audio output; also supports mono earphone output via 3.5mm jack.
Tone can be adjusted from 500Hz to 1500Hz according to your needs.
Comes with a key audio cable for connecting to a radio for telegraphy.

1 x Heavy-Duty Telegraph Key
1 x Power Supply
1 x Key Audio Cable
1 x Audio Adapter (6.5mm Female to 3.5mm Male)
1 x Audio Adapter (3.5mm Female to 6.5mm Male)
Note: Battery is not included.