Pearl Mini Tech specs

Video inputs

Local video inputs:1(1) 3G SDI
(2) HDMI™ 1.4a2
(2) USB 3.0 (UVC)3 – rear panel
Video over Ethernet:3(1) RTSP
(1) SRT (push)
(2) NDI|HX
(1) Browser
Connectors:(2) HDMI type A (female)
(1) BNC (female)
(2) USB-A (female) – rear panel
(1) RJ-45 (female)
Aspect ratios:3:2, 4:3, 16:9, 16:10, and custom aspect ratios
Standard resolutions:PAL, PAL wide, NTSC, NTSC wide
Input resolution range:640×480 to 1920×1200
Frame rate:Up to 60 fps
Video input color spaces:HDMI: RGB 4:4:4, YCRCB 4:2:2, YCRCB 4:4:4
SDI: RGB 4:4:4, YCRCB 4:2:2
Maximum cable length for 3G-SDI:300 ft
Maximum cable length for USB 3.0:6 ft

Audio inputs

Analog audio inputs:(2) XLR mic level/pro line level (+4.0 dBu) up to 12.3 VRMS +24 dBu (balanced/unbalanced, mono or L/R stereo pair); phantom optional
(2) 1/4″ TRS pro line level (+4.0 dBu) up to to 12.3 VRMS, +24 dBu (balanced/unbalanced, mono or two L/R stereo pairs)
(1) RCA consumer line level -10 dBV (L/R stereo pair)
(1) 3.5 mm stereo input for electret microphones (unbalanced)
Connectors:(2) XLR/TRS combo jacks (female)
(2) RCA (female)
(1) 3.5 mm (female) – rear panel
Digital audio inputs:4(1) SDI5
(2) HDMI
(2) USB (rear panel)
(1) RTSP (from RTSP input over Ethernet)
(1) SRT (from SRT input over Ethernet)
Connectors:(2) HDMI type A (female)
(1) BNC (female)
(2) USB-A (female) – rear panel
(1) RJ-45 (female)
Audio gain control:0 dB to +30 dB
Audio mute:Yes
Configurable audio delay:-300 ms to +300 ms

Video processing

Video output color space:4:2:0, 8 bits per color
Video codec:H.264/AVC (ITU H.264, ISO/IEC 14496-10) 4:2:0, 8-bit color
– Encoding profile: High, Main, Baseline
– Profile levels: 3.0, 3.1,3.2,4.0,4.1
Motion JPEG
Bitrate:1 to 50 Mbps (selectable)
Bitrate control:Constant
Hardware accelerated video encoding:Optional
Video scaling:Software
Key frames:1/2 s and 1 s up to 5 s in 1-second intervals
Remote access:Remote login for rescue troubleshooting and control.
Cloud versions of the Admin panel and Epiphan Live available for Internet access.

Audio processing

Compression:MP3, AAC, and PCM
Sampling rate:MP3: 22 kHz, 44 kHz, 48 kHz
AAC: 16 kHz, 22 kHz, 44 kHz, 48 kHz
PCM: 22 kHz, 44 kHz, 48 kHz
Bitrate:64 to 320 kbps (MP3 and AAC)

Video output

Signal types:(1) HDMI 1.4a
(3) H.264/AVC digital video over Ethernet
Connectors:(1) HDMI
(1) RJ-45 (female)
Encoded channels:Up to three 1080p channels at 30 fps with one full HD video source per channel (recommended)
Streaming protocols:MPEG-TS, and FLV
SRT (push) over UDP
HLS (push) over HTTP/HTTPS
Multi-publish to streaming server / CDN (SRT, RTSP, RTMP, RTMPS)
HLS (pull) – Native Apple HTTP/HTTPS stream for iPad, iPhone and iPod Touch
Multicast streams:RTP, MPEG-TS & RTP, and MPEG-TS over UDP and SAP
Resolution ranges:Recorded: 480p to 1920×1200p
Confidence monitoring: 480p to 1920×1200p
Streamed: 480p to 1920×1200p
Frame rate:Up to 60 fps
Formats:H.264/AVC (ITU H.264, ISO/IEC 14496-10) 4:2:0, 8-bit color
– Encoding profile: High, Main, Baseline
– Profile levels: 3.0, 3.1,3.2,4.0,4.1
Motion JPEG
Network traffic shaping (multicast streams):4 Mbps to 95 Mbps (configurable)

Audio output

Analog audio output:(1) 3.5 mm stereo headphone jack – front panel
Digital audio outputs:RTSP and SRT audio over Ethernet
HLS audio over HTTP/HTTPS
HDMI audio (embedded)

Monitor and control

Touch screen:7 inch touch screen monitor (built in) resolution: 800×480
USB keyboard:Connect a standard USB keyboard (optional)
USB status light:Connect a single USB status light (optional); supported models:
– Kuando BusyLight UC Alpha and UC Omega
– Delcom Products USB HID single-color and multi-color signal indicators

Recording and storage

Record formats:AVI, MOV, MP4, and MPEG-TS
File upload formats:JPEG, PNG
SD card:Up to 512 GB6
File system for SD card:EXT4
File transfer protocols:FTP, SFTP, SCP, AWS S3 client, and WebDAV client RSync
Network file share protocols:CIFS/SMB
File system for USB storage:FAT16, FAT32, XFS, EXT2, EXT3, EXT4, NTFS
External USB ports:(1) USB 3.0 0.9A – front panel
(2) USB 3.0 0.9A (UAV/UAC) – rear panel
Bitrate:Up to 50 Mbps


USB standards:USB 1.1, USB 2.0, and USB 3.0
HDCP compliant
Serial port:(1) Bidirectional RS-232 (via a USB to serial adapter)
Serial protocols:Data bits: 7 or 8 (default)
Stop bits: 1
Parity: None
Flow control: None, Hardware or Software
Serial port baud rate:19200 bps
Ethernet host port:(1) RJ-45 (female)
Ethernet data rate:10/100/1000 Base-T, half/full duplex with autodetect
Maximum Transmission Unit:68 to 1500 MTU (configurable)
Network discovery/announce:SAP

Network security

802.1x EAP methods:PEAP, EAP-TLS, EAP-TTLS

Administration and control

Admin panel:Local web UI for full administration. On-screen display and mobile UI for confidence monitoring, administration, and control.

Local Admin panel access using a USB mouse, keyboard, and monitor connected directly to Pearl Mini with built-in virtual keyboard and touch-screen monitor support.
Epiphan Live:Local web-based UI to easily control streaming, recording, and switching.
Secure access:Multiple user accounts and passwords.
HTTPS for secure Admin panel and Epiphan Live access, as well as local network access to the live channel broadcast.
Remote access:Epiphan Cloud™ for remote device management and remote login7.
API:Yes (HTTP/HTTPS or RS-232)


Content management systems:Kaltura
Cloud access and management:
Epiphan Edge
Control platforms:Crestron:

AC/DC power adapter

Model:ADP 60KD BA
Input power rating:90 to 240 VAC, 47 to 63 Hz
Output power rating:12 VDC, 5.0 A, 60 W
Active efficiency (average):88%
Efficiency (10% load):95%
No load consumption:0.21 W
Power adapter manufacturer:Delta Electronics Inc.
3 Tungyuan Road, Chungli Industrial Zone, Taouyan City 32063, Taiwan


Operating temperature:32° to 104° F (0° to 40° C)
Cooling:Fan air flow: Left to right
Form factor:Portable desktop model; VESA mountable
Dimensions ( W × D × H ):10 1/4” × 6 3/4” × 2 3/8” (261 mm × 172 mm × 60 mm)
Weight:3.8 lbs (1.7 kg)
Power supply:External: 1.5 A, 100-240 VAC, 50 to 60 Hz (60 W); 1.3 A, 100-240 VAC, 50 to 60 Hz (84 W)
Input power rating:12 VDC, 5.0 A (maximum / 60 W PSU); 12 VDC, 7.0 A (maximum / 84 W PSU)
Regulatory compliance:FCC compliance: Part 15
CE compliance:
Directive 2014/30/EU – Electromagnetic Compatibility
Directive 2014/35/EU – Low Voltage Directive
Directive 2011/65/EU – RoHS
1Pearl Mini supports up to three HD video sources in a single channel with two picture in picture layouts under certain conditions.
2HDCP compliant.
3You can connect a USB, RTSP, or an SRT source to Pearl Mini; however, using multiple digital sources can affect performance depending on your setup. If you experience performance issues, check CPU usage and take remedial actions like: remove some configured layouts, reduce the channel’s frame rate, or remove a video input.
4Digital audio is de-embedded from the digital source.
5SD-SDI audio is not supported.
6SD card is reserved for system use and not for transferring files to other devices. Use a USB memory device or network file transfers. Recording space can be virtually unlimited with offload to networked storage.
7Remote login requires an Epiphan Cloud Pro account.