| Feature | DB64-FM | DB6000-STC | DB6400 |
| Excellent Audio Performance | YES | YES | YES |
| Ultra low latency, all-digital DSP based design | YES | YES | YES |
| Intelligent Silence Detector | YES | YES | YES |
| LAN port for full TCP/IP remote control and monitoring | YES | YES | YES |
| Built-in web server for remote control access via TCP/IP connection | YES | YES | YES |
| Easy Installation and Setup | YES | YES | YES |
| Protected access to the device settings | YES | YES | YES |
| Easy to use WEB interface | YES | YES | YES |
| Apple and Android devices support | YES | YES | YES |
| Software Control (over local network or the Internet using any Windows® PC) | YES | YES | YES |
| Bright, wide view angle OLED and full-time LED meters | YES | YES | YES |
| Easy setup and control via the front panel | YES | YES | YES |
| Remotely upgradable firmware to ensure improved operation | YES | YES | YES |
| Restore Factory Parameters option | YES | YES | YES |
| Headphone output with front panel level control | YES | YES | YES |
| Embedded SNMP agent permitting full device management | YES | YES | YES |
| Notifications on input/preset change via E-mail and SNMP | YES | YES | YES |
| L/R Analog inputs and outputs and two independent Composite MPX outputs. | YES | YES | YES |
| Professional AES/EBU Digital audio inputs | YES | YES | YES |
| Wide operating voltage range: 100-240V AC | YES | YES | YES |
| 19” Professional Case for high RF immunity | YES | YES | YES |
| Embedded FTP server | NO | YES | YES |
| Built-in MP3 Player | NO | YES | YES |
| SD Card for Audio Backup Storage | NO | YES | YES |
| Built in DSP-based RDS/RBDS encoder | YES | NO | YES |
| Fallback function in case of Audio Loss | YES | NO | YES |
| EMI-suppressed XLR connectors | YES | NO | YES |
| Stereo encoder integrated with audio processing | YES | NO | YES |
| Bypass and Test tone Mode | YES | NO | YES |
| SNTP for automatic synchronization of the built-in clock | YES | NO | YES |
| Level Adjustable, Balanced Analog and Digital Audio Outputs | YES | NO | YES |
| USB communication interface for local connectivity | YES | NO | YES |
| Extensive set of factory presets and several customizable user presets | NO | NO | YES |
| Externally synchronized output sample rate | NO | NO | YES |
| Variety of Audio Sources | NO | NO | YES |
| Multi-format IP Audio Player | NO | NO | YES |
| Tight peak control at all outputs | NO | NO | YES |
| Advanced Wide Band AGC | YES | NO | YES |
| FM Controlled distortion limiter | YES | NO | YES |
| 4-Band Dynamic Processor with Fidelity and Sound Impact System | YES | NO | YES |
| 4-Band Parametric EQ | NO | NO | YES |
| Advanced Bass & Treble Controls | NO | NO | YES |
| 4-Band Limiter | NO | NO | YES |
| HD Lookahead Limiter | NO | NO | YES |
| Integrated digital stereo generator with advanced peak control | YES | NO | NO |
| Advanced, fully distortion-controlled pre-emphasized final limiter/clipper | NO | NO | NO |
| Advanced Multiband Limiter | NO | NO | NO |
| Adjustable wide-band AGC with "intelligent" gating | NO | NO | NO |
| 4 bands of adjustable dynamic range compression and "graphic-EQ" | NO | NO | NO |
| Digital Volume control of all Audio Inputs | NO | YES | NO |
| Adjustable Pilot, L-R, RDS phases | NO | YES | NO |
| Selectable pre-emphasis 0, 50 ms, 75 ms | NO | YES | NO |
| Digitally adjustable PILOT and RDS injection levels | NO | YES | NO |
| Fully Digital Synthesis of the RDS signal | NO | YES | NO |
