Ruoca Audio Ruoca Audio

China Ruoca 3 Inch Column Speaker L-304 with 12inch Active Subwoofer systems Manufacturer, Supplier

● Wide range coverage
● Assemblies box
● Stereo sound effects
● Bass shock
● High Pitched and Delicate

Product Description

Technical Specifications

L-304 Column Speaker
Model numberL-304
Frequency response200Hz-16KHz(±5dB)
ComponentsMF 4*3”(25mm voice coil neodymium unit) ; HF 1*25mm voice coil
Power150W(RMS)/300W(Program)
Sensitivity(1W/1m)97dB
Maximum SPL125dB
Nominal impedance8 Ω
Connection2*NL4 Speakon
Suspension Hardwareone base support
Enclosure Material12mm plywood, Environmental protection ware-resistant black sand Painting
Dimension(W*H*D)470*104*135mm
Suitable forPerformance/Hotel/Conference Multifunctional room/Small Bar
TB-12SP Subwoofer
Model numberTB-12SP
Frequency response40Hz-500KHz(±5dB)
ComponentsLF 1*12"(65mm Voice coil)
Power300W(RMS)/600W(Program)
Sensitivity(1W/1m)95dB
Maximum SPL128dB
Nominal impedance8 Ω
Connection2*NL4 Speakon
Suspension Hardwareone base support
Enclosure Material15mm plywood, Environmental protection ware-resistant black sand Painting
Dimension(W*H*D)370*462*470mm
Built in Amplifier4ohms 1300W with DSP processing
Suitable forPerformance/Hotel/Conference Multifunctional room/Small Bar

Key Advantages

High-Performance Driver Configuration

12-inch large-diameter woofer, wide dynamic range, 3-inch treble compression driver in column speaker, concentrated directivity; carefully debugged crossover network, vocals stand out and have high degree of restoration.

Driver Configuration
Sound Penetration & Impact

The 25mm-core neodymium unit with high-frequency sound field has a strong depth and penetration, and the large magnetic low-frequency impact is sufficient, which can easily create a three-dimensional sense of space and a clear and delicate sound quality with distinct layers.

Sound Quality
12-Inch Dynamic Subwoofer

The 12-inch subwoofer is equipped with a powerful large-magnetic steel subwoofer, which has strong driving force and high energy density, and the instantaneous dynamic bass impact is strong and the tone transition is smooth and fast.

Subwoofer Detail
Professional DSP System

Professional DSP reverberation audio processing system, integrating powerful DSP digital processing and reverberation, making the sound quality clearer, more real, rounder and fuller.

DSP System

Application & Installation

Flexible installation system, multi-angle adjustment of sound field coverage, suitable for use in various occasions.

Frequently Asked Questions

What applications are these speakers best suited for?
The system is ideal for professional performances, hotels, conference multifunctional rooms, and small bars due to its focused directivity and clear vocal restoration.
Does the subwoofer include a built-in amplifier?
Yes, the TB-12SP subwoofer features a built-in 1300W amplifier (at 4 ohms) with integrated DSP processing for optimized audio control.
What materials are used for the speaker enclosures?
The enclosures are constructed from high-quality plywood (12mm for the L-304 and 15mm for the TB-12SP) and finished with environmental protection, wear-resistant black sand painting.
Is the installation hardware included?
Both units come with base support hardware, allowing for a flexible installation system and multi-angle adjustment to cover various sound field requirements.
What makes the DSP reverberation system special?
The professional DSP system integrates digital processing and reverberation, which enhances sound clarity, making it sound more natural, rounded, and full.
What are the frequency response ranges for these models?
The L-304 column speaker operates between 200Hz and 16KHz, while the TB-12SP subwoofer covers the low end from 40Hz to 500Hz (both within ±5dB).

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