JTS SPT-1R/SPT-1T Dual-Channel UHF Wireless PA Extension System

Eliminate cable runs and audio latency without sacrificing sound quality. The JTS SPT-1R/SPT-1T delivers rock-solid UHF true diversity wireless performance across 36 MHz of switching bandwidth, with 6 preset groups and up to 1,441 selectable channels — built for mission-critical live sound applications.

Key Features

• Zero audio delay / latency
• Eliminates complex speaker cable runs
• Fast setup and teardown with flexible installation options
• Independent audio channel control per channel
• True diversity reception for dropout-free performance
• 470-960 MHz carrier frequency range
• 2.4 GHz RF frequency matching

SPT-1R Receiver Specifications

Parameter	Value
Frequency Oscillation	Phase-Locked Loop (PLL)
Carrier Frequency	470-960 MHz
Number of Channels	2 Channels
Frequency Matching	2.4 GHz RF
Antenna Selection	True Diversity
Signal-to-Noise Ratio	>106 dB(A)
Total Harmonic Distortion	<0.5% @ 1 kHz
Reception Sensitivity	-95 dBm, S/N >80 dB
Mirror Rejection Ratio	>80 dB
Frequency Response	50 Hz-18 kHz ±2 dB
Antenna Connector	BNC Female
Display	LCD
Audio Output Level (Max)	Mini XLR: +10 dBu (Line) / -10 dBu (Mic)
Audio Output Impedance	600 Ω
Mute	Noise Mute and Pilot Tone
Output Port	Balanced Mini XLR
Power	DC 12V / 0.5A
Dimensions	365 × 70 × 30 mm

SPT-1T Transmitter Specifications

Parameter	Value
Frequency Oscillation	Phase-Locked Loop (PLL)
Carrier Frequency	470-960 MHz
Frequency Matching	2.4 GHz RF
RF Power Output	10 mW / 50 mW (per local regulations)
RF Stability	<±10 kHz @ Fc
Modulation Frequency Deviation	±48 kHz
Spurious Emissions	<-50 dBc
LCD Display	Group, Channel, Frequency, Mute, Remoset ID, Volume
Controls	Power, Group, Channel, Frequency, Transmitted Power, Key Lock
Dimensions	200 × 480 × 46 mm

Specifications subject to change without notice.