911 Emergency Console PTT Amplifier – Poly 60825-315 or HP 8K7T8AA#AC3
Poly (formerly Plantronics) SHS1890-15 PTT amplifier part # Poly 60825-315 or HP 8K7T8AA#AC3 with carbon type microphone amplifier, PJ-7 connector, and selectable switch operation (momentary or locking modes).
Compatible with H-Series headsets.
The Poly SHS1890-15 is a 2-prong, 6-wire, pistol grip amp, with a 15 foot cord. Equipped with a push-to-talk button, it can be adjusted with a screwdriver to be either lockable or non-lockable. When the button is depressed or locked in the ON position, the microphone is turned on and will transmit your voice.
Simply plug into the appropriate jack in your station or jackset. The Poly SHS1890-15 PTT amplifier is universal and positioned so that either side is visible.
Lockable position: Note that the selector slot is aligned vertically. You can press the push-to-talk button momentarily or keep it locked in the ON position by first depressing then sliding the button until it locks.
Non-Lockable position: Turn the selector horizontally. When you wish to speak, you can depress the push- to-talk button momentarily.
SHS1890-15 PTT Features
- 911 Emergency Console Amplifier
- 6-wire Push-to-Talk
- 15 foot cord length
- 6-wire configuration
- PJ7 Connector (2-prong)
- Quick Disconnect for H-Series Headsets
- Warranty:
2 Year limited(Poly updated to 1-year warranty as product is being discontinued)
Frequently Asked Questions
The Poly SHS1890-15 is a push-to-talk (PTT) amplifier designed for dispatch, emergency console, or 911 environments. Below are common questions about compatibility, operation, durability, and what to expect when using it.
It is compatible with Poly’s H-Series headsets via Quick-Disconnect (QD) connectors.
It comes with a 15-foot cord and uses a PJ-7 connector.
The PTT button can be set to either momentary mode (you press and hold to speak) or locking mode (press once to lock on, press again to unlock).
It is a wired amplifier (not wireless), with a six-wire configuration pistol-grip design.
The product is being discontinued as of June 22, 2025. While units and spares may still be available, long-term support from Poly is limited.
Yes. Using the locking mode, the PTT button can be slid into position so the mic remains engaged without needing to continuously press the button.
HP Variations
- Poly SKU: 60825-315
- UPC: 0017229151703
- HP SKU: 8K7T8AA#AC3
- UPC: 197497782981
- SHS 1890 Series
AdSec4108 (verified owner) –
Product integrated perfectly as replacement parts for our system. Delivery was quick, and items were well packaged.
BuEcomm –
Product is reliable and has lasted a long time.