E48.4A Multi-Channel DSP Amplifier – Power Your Ride!
✅ 4 High-Level Inputs + 8 RCA Outputs：Build your ultimate multi-channel audio system!
✅ CLASS AB Dual Power Boost：35W×4@4Ω / 60W×4@2Ω, crystal-clear even at max volume.
✅ CIRRUS LOGIC 3-Core DSP：24Bit/192KHz studio-grade audio processing for lifelike sound.
✅ 31-Band EQ & 15ms Time Alignment：Customize soundstage for driver’s seat perfection.
✅ Bluetooth 5.1 & Dual USB Playback：Stream lossless music via smartphone or USB drive.
✅ Cross-Platform Tuning Apps：PC/iOS/Android control for pro audio customization.
✅ 9-16V Universal Voltage：Works flawlessly in cars, trucks, and RVs.
Ideal For：Multi-speaker setups, audiophiles, and car audio DIY projects.
| Specification | E48.4A |
| Input | 4High Level/2 RCA/Optical/USB Audio/USB Disk/BT |
| Input Voltage(Max) | High Level-4-10V,RCA-0.5-2.5V |
| Output | 4High Level/8RCA |
| Output Voltage (Max) | Amplifier output -12Vrms, RCA-2Vrms |
| Output Gain | Power Amplifier :26 dB |
| Optical In | YES |
| Coaxial In | NA |
| Amplifier type | CLASS AB |
| Power Output | 4X35W @ 4 Ω , 4x60W@ 2 Ω |
| (AD & DA) Signal Conversion | CIRRUS LOGIC SMART HIFI 3-core DSP CS47L35，CS4344 |
| Sampling Rate | 24Bit/192KHz ADC/DAC |
| EQ/Delay | 31Band EQ/15ms |
| Frequency Range | 20-20kHz |
| Q Value(Slope) | 0.5-9 |
| EQ Gain | -18.0dB +12.0dB |
| Filtering | Butter , Bessel, Link |
| Filtering Crossover point | 20-20kHz |
| Filter slope | 6dB/oct -48dB/Oct |
| Phase | 0-180 |
| Time Alignment (delay) | 15ms |
| Preset | 10 |
| Frequency Response | 20-20kHz |
| Signal to Noise - RCA | 85dB |
| Signal to Noise - Power Amp | 87dB |
| Input Resistance | 20kΩ |
| Low level output Resistance | 680Ω |
| Static Current | 0.45A |
| Operating Voltage | 9-16V |
| Working Current Range | 0.5-18A |
| Temperature resistance | NA |
| Bluetooth | Yes |
| Bluetooth Version | 5.1 |
| USB Audio Built in | YES |
| USB DISK | mp3, wma,wav, m4a, aac and lossless format FLAC, APE |
| Remote | TFT |
| PC Connection | yes |
| PC Software | yes |
| Android App | yes |
| IOS app | Yes |
| Auto Tuning | NA |
| REM Input | 3.5V |
| REM Output | 0.1A |
| Over heat protection | NA |
| Over Load Protection | NA |
| Working Indicators | YES |
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