Shipping Q4 2026

TSI Call Trainer

The USB-C dongle that turns your phone into a professional call coach. Real-time analog-to-digital coaching with zero latency.

TSI LIVE 1.2kHz
$149 Early Bird $99
Join the waitlist below — early bird pricing for the first 500 pre-orders.

What it does

Zero-Latency FFT

Dedicated audio DSP processes your call in under 5ms — faster than a phone can dream.

🎙

Studio-Grade Mic

Cardioid condenser capsule captures harmonics that phone mics mask.

🎯

All 6 Species

Duck, Elk, Deer, Turkey, Goose, Songbird — every ASCE module supported.

🔗

Plug & Coach

USB-C to any Android or iPhone 15+. No app pairing. No Bluetooth dropouts.

📊

Harmonic Overlay

See your call's harmonic signature next to the ideal in real time.

🛡

Rugged Build

MIL-STD-810G drop tested. Duck blind and deer stand ready.

Technical specifications

Connection
USB-C 3.2 Gen 1
Mic Pattern
Cardioid condenser
Frequency
20Hz — 40kHz
Latency
< 5 ms
Sample Rate
96 kHz / 24-bit
Size
42 x 22 x 11 mm
Weight
9 g
Compatibility
iOS 17+, Android 12+

Built for the moments that matter

Morning Blind

Dial in your mallard hail call before first light. No laptop, no studio — just you and a ridge of susys.

Off-Season Training

Work your rut grunt at your desk. The trainer logs every session straight into ASCE.

Competition Prep

See the exact harmonic signature of your goose call. Match it. Win.

Join the waitlist

Be first to order when pre-sales open. Early bird pricing locked for the first 500.