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Overview

UTA1804DSP is a four-channel digital power amplifier that integrates Class D power amplification technology with high-precision DSP digital signal processing, enhancing audio performance and ease of operation.

Highlights

Cost Less, Get More Value

Save on your crossover costs with easy-to-use DSP settings via the LCD screen.

Achieve accurate low-cut and high-cut with easy-to-use DSP settings via the
LCD screen.

Flexible Usage

A 500W full-range power amplifier can easily bridge to 1400W for subwoofers.

Effortlessly Manage and Protect Your Sound System with easy-to-use DSP Settings and Data Storage

Protect your investment and save time. Ensure high-quality sound and prevent speaker damage.

Class D Circuitry with PFC

A full-voltage PFC adaptive system and Class D circuitry with over 90% efficiency effortlessly eliminate the troubles caused by unstable power supply.

Simple and Easy to Use

An interesting and user-friendly experience with the easy call-by-screen feature. Play it and enjoy it.

Ideal for Mobile Applications

Compact size and lightweight.

Modular Design Engineered from Germany

The modular design engineered from Germany makes your amplifier more stable, reliable, and durable, while also making after-sales service simpler, faster, and more cost-effective.

Powerful DSP Chip With FIR

The powerful DSP chip, equipped with FIR capabilities, can significantly enhance audio performance. Meanwhile, the professional DSP software and the powerful DSP chip empower professionals to easily handle fixed installation systems.

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Audio Management Center for the Fixed Installation Market

Centralized Management & Maintenance
Equipped with UDP network connectivity, it enables batch configuration and firmware updates, allowing unified software updates, parameter configuration and maintenance to enhance operational and maintenance efficiency.

Network Control
Realizes remote control and real-time adjustment of the IP network status of audio devices, improving the convenience and efficiency of debugging.

Preset Management
The UTA-DSP Series amplifier offers two preset management modes: channel preset management and system preset management.

Powerful DSP Processing
◎ IIR Filters
Offering a variety of Bessel, Butterworth, Linkwitz-Riley filters, supporting high-pass, low-pass, and parametric equalization, easily achieving -48dB/octave adjustments and phase control.

◎ FIR Filters
Enhancing the impact of audio, ensuring a more dynamic and impactful sound experience. Linear phase response retains the original transient characteristics of the audio signal, resulting in finer and more precise notes.

Perfect Integration of BrainCoreTM Technology
Perfectly integrating BrainCoreTM technology, providing precise digital processing through superior Limita™ processing technology, ensuring the system operates safely and reliably.

High-Efficiency Class D Power Amplifier
The UTA-DSP Series utilizes Class D amplification technology, with an efficiency exceeding 90%, which significantly reduces energy loss during power conversion. This not only decreases heat generation but also lowers energy consumption while maintaining excellent sound quality.

Global Universal Power Supply & PFC Technology
With 100-240V global voltage auto-adaptation and PFC stabilized power supply, it supports plug-and-play functionality, ensuring energy efficiency and stability.

Intelligent Silent Heat Dissipation
Built-in stepless speed regulation fan that adjusts speed automatically, providing quiet and undisturbed operation.

Specifications

Output power(1kHz, 20ms burst THD+N = 1%)	8Ω Stereo	4x1400W
	4Ω Stereo	4x1800W
	2Ω Stereo	/
	8Ω Bridge	/
	4Ω Bridge	/
Protection System		DC Protection,Short circuit protection,Smart overheat management,Overheat protection, Output overload protection,Soft startup protection,Limiter protection
DSP processing	Sampling rate	48kHz/24bit
	Input	1: Noise Gate, Volume, Phase, Mute 2: Input EQ:15 bands EQ + HPF/LPF(Butterworth, Linkwitz-Riley, Bessel:6 dB/oct to 48 dB/oct) 3: Input delay: 20ms per channel
	User	1: Volume, Phase, Mute 2: 10-segment PEQ
	Output	1: Output EQ:15 band EQ + HPF/LPF (Butterworth, Linkwitz-Riley, Bessel:6 dB/oct to 48 dB/oct) 2: Output delay:20ms Per channel 3: Compressor and Limiter 4: Volume, Phase, Mute 5: FIR 512Taps per channel
Analogue Input		4x analogue
USB control port		USB-B
UDP/IP network control port		RJ45 x1
Input Connectors		Male XLR & Female XLR
Output Connectors		Speakon
Input Impedance		≥20kΩ(Balanced);≥10kΩ(Unbalanced)
Maximum input voltage		≥22dBu
Gain		38dBu
Frequency response(1W 8Ω stereo)		20Hz-20kHz(±1dB)
Crosstalk(1kHz,Rated power 8Ω A weighted)		≥70dB
S/N Ratio(Rated power 8Ω, A weighted)		≥100dB
Damping Factor(1kHz & 8Ω)		≥500
Intermodulation Distortion(60Hz:7kHz=4:1，half power)		≤0.1%
THD+N(1kHz，8Ω half power A weighted)		≤0.1%
Output circuitry		Class D
Power Supply		100-240V~(±10%,50/60Hz),PFC
Power consumption(1/8 output power 4Ω)		1210W
Rack space		2U
Cooling		Front to back venting,mandatory cooling
Dimension(W×H×D)		483×88×404mm
Net Weight		10.5kg