Rated Power
60W RMS
Product Overview
The Harmonai HJ-T312 is a 60W RMS portable multi-function speaker equipped with a 12-inch woofer and 5-inch horn tweeter, delivering rich, powerful sound. Its built-in 12V/4.5Ah lead-acid battery supports multiple playback options including Bluetooth, FM radio, USB, and TF card. Dual-mic input combined with professional audio effect controls makes it suitable for outdoor events, karaoke entertainment, and conference presentations.
Speaker Configuration
12-inch woofer + 5-inch horn tweeter
Battery Specification
12V/4.5Ah lead-acid battery
Input Interfaces
USB / TF card / Microphone ×2 / Guitar / DC 12V input / OTG / Audio input / Audio output
Operating Modes
FM radio / Bluetooth / Recording / Mic priority / Auracast daisy-chain pairing
Audio Effect Controls
Bass / Treble / Mic volume / Mic echo / Mic delay / Mic reverb / Guitar volume / Master volume
Lighting Effects
Colorful lighting
Recommended Use Cases
Thanks to its high-power output and built-in battery, the HJ-T312 is ideal for outdoor use — effortlessly handling square gatherings, camping picnics, and street performances. Dual-mic input and professional karaoke effects (echo, delay, reverb) make it a reliable mobile karaoke system and small-stage performance tool. FM radio and Bluetooth functionality also support everyday home entertainment. Auracast daisy-chain pairing enables synchronized multi-unit expansion to cover larger venues.
For more information about Harmonai speakers or bulk procurement options, contact us for a detailed quotation.
Harmonai ACT-518 Dual-Channel True Diversity Wireless Microphone
The Harmonai ACT-518 is a professional dual-channel true diversity wireless microphone system with PLL frequency synthesis and infrared auto-sync, delivering stable transmission up to 500 meters in open spaces. Two mics operate simultaneously without interference, powered by two AA batteries for ~8 hours.$20.63
Harmonai Relay Amplifier – Professional UHF Antenna Distribution Amplifier for Wireless Microphone Systems
The Harmonai Relay Amplifier is a signal-boosting device designed specifically for wireless microphone antenna distribution systems. It extends transmission distance, reduces signal attenuation, and supports simultaneous connection of multiple receivers for stage performances, conference systems, and broadcast studios.$65.00
Harmonai XTA448(24version) Digital Audio Processor — High-Value Export Edition
The Harmonai XTA448(24version) is an export-focused digital audio processor that builds on the proven XTA448 22-version architecture—delivering improved sound quality while removing AES functionality to maximize value for entry-level professional applications.$280.69
XTA448 Digital Audio Processor (22 Version) — Domestic Alternative, High-Value DSP
The XTA448 (22 Version) is Harmonai’s next-generation digital audio processor (DSP), featuring select high-quality domestic OEM components while delivering 1:1 functional fidelity and outstanding sound quality — an ideal high-value solution for professional audio processing.$275.38
Harmonai A2D XY Microphone Stand
Harmonai A2D XY Microphone StandContact for price
Harmonai A4D Microphone Stand Adapter
Harmonai A4D Microphone Stand AdapterContact for price
Harmonai A35 Monitor Accessories
Harmonai A35 Monitor AccessoriesContact for price
Harmonai M30 Measurement Microphone
M30 Measurement Microphone - Contact us for pricingContact for price
Harmonai PSM600 Wireless In-Ear Monitor
PSM600 Wireless In-Ear Monitor - Contact us for pricingContact for price
Harmonai E-190 Interview Microphone
E-190 Interview Microphone - Contact us for pricingContact for price
Harmonai D-6S Wired Dynamic Microphone
D-6S Wired Dynamic Microphone - Contact us for pricingContact for price