| Display | 2.7" optically bonded color LCD display | 
| Sources | AM/FM / Bluetooth / Apple AirPlay 2 / digital optical input / USB audio / iPhone / iPod / AUX / UPnP / MTP / SiriusXM-Ready (USA only, requires optional SiriusXM Connect vehicle tuner) / DAB+ ready (available in Europe and Australia only) Note: SiriusXM and DAB+ do not support traffic and weather. | 
| Digital Signal Processing (DSP) | Yes | 
| Fusion speaker, subwoofer and amplifier profiles preconfigured via DSP | Yes | 
| Fusion-Link Control (Wireless) | Yes | 
| PartyBus Technology | Yes (receive and broadcast - wired or wirelessly* when Apollo RA670 is integrated with an external network router or Apollo RA770 stereo.) | 
| Bluetooth Wireless Technology | Bluetooth audio streaming, music control (via devices compatible with A2DP/AVRCP 1.3 Bluetooth protocols) | 
| SiriusXM-Ready | Yes | 
| Wi-Fi | Yes* (*when integrated with an external network router or an Apollo RA770 stereo) | 
| ANT Technology | Yes | 
| NMEA 2000 (Control via MFD - Fusion-Link) | Yes | 
| Works with NRX Remotes | Yes | 
| Optical Input | 1 x Digital Optical Input (SPDIF) | 
| Fits DIN Cut-Out | Yes, requires optional adapter plate kit (010-12829-03) | 
| Water Resistance (IP rating) | IPX6 and IPX7 from the front panel when installed correctly. | 
| Internal Amplifier | Class-D | 
| Rated Power Output (4 Ohm) | 26 W rms x 4 @ 14.4 V input < 10% THD | 
| Rated Power Output (2 Ohm) | 43 W rms x 4 @ 14.4 V input < 10% THD | 
| Peak Power | 280W max | 
| Multi-Language User Interface | English / French / German / Spanish / Dutch / Italian | 
| Auxiliary Inputs | 1 x RCA Input (AUX) | 
| Ethernet | One Ethernet port | 
| USB 2.0 Port | One USB 2.0 port (for phone charging / media playback) | 
| SiriusXM | One SiriusXM port (requires optional SiriusXM Connect vehicle tuner, does not support traffic and weather) | 
| AM/FM radio | One Motorola antenna connector port | 
| Speaker Channels | 4 x channels, 1 pair per zone (zone 1 & 2 internal amplifier / zone 3 requires external amplification) | 
| RCA Pre-Out (Left, Right and Subwoofer) | 3 zones (1 x L+R per zone, 1 x Sub per zone - All require external amplification) | 
| Operating Voltage | +10.8 - 16V dc | 
| DAB+ Ready | Fusion DAB+ module is required (sold separately). Only available where DAB or DAB+ broadcast is supported | 
| Software Updates | Over-the-air software updates* via the free Fusion-Link app or USB (*when Apollo RA670 is integrated with an external network router or Apollo RA770 stereo.) | 
| Physical Dimensions: Width x Height x Depth (Front Panel incl. Volume Encoder) | 157mm x 68mm x 123mm [6-3/16" x 2-11/16" x 4-7/8"] | 
| Mounting Dimensions: Width x Height x Depth | 135mm x 52mm x 105mm [5-5/16" x 2-1/16" x 4-1/8"] |