
Expression, emotion, finesse. Three words that best describe the essence of the RI-101 Mk.II Integrated Amplifier.
Have every confidence in the musical abilities of the RI-101 Mk.II Integrated Amplifier. Your musical masterpieces are in the best hands. We invite you to take your first steps into the magical world of true musical performance.
The RI-101 Mk.II is now certified Roon Ready taking this already astonishing amplifier to the next level. Find out more on Roon x Vitus Audio partner page.



The RI-101 MKII maintains the signature aesthetic of all Vitus Audio components, a definite look and refined style that carries across the entire span of their products. You won’t mistake a Vitus Audio item for any other manufacturer – and that’s a great thing when it comes to building an industrial design ethos that identifies the brand.
Internally, a lot has changed with this new version of the RI-101 and it isn’t a marginal upgrade, for example, it’s much more significant than going from the original RI-100 to an RI-101 MK1.
The amplifier is rated at 300w into 8ohms and is capable of driving even the most difficult of loads with a sense of ease and control.
Connectivity with the optional DAC/Streaming module (2023 version)
The RI-101 Mk.II is now certified Roon Ready. Find out more on the Roon partner page.
The RI-101 Mk.II also supports Mconnect, UPNP/DLNA, Tidal Connect, Spotify connect, V-tuner, Qobuz amongst others.
You can also stream music stored locally over a network via UPnP.
| Input | XLR analogue | RCA analogue |
|---|---|---|
| Available | 3 (L+R) | 2 (L+R) |
| Sensitivity | 2 VRMS | 2 VRMS |
| Impedance | 16kΩ | 16kΩ |
| OUTPUT (Each Ch.) | Speaker | Pre/Tape out |
|---|---|---|
| Available | 1 set balanced | 1(XLR) |
| Impedance | 0.075Ω | 33Ω |
| Power WRMS (8Ω) | ~8W Class A / ~300W Class AB | |
| Power WRMS (4Ω) | ~16W Class A / ~600W Class AB | |
| Bandwidth | +800kHz | |
| Signal to noise ratio | >100dB @ 1kHz | |
| THD + noise | 0.04% @ 100W / 1kHz |
| Volume Control | |
|---|---|
| Type | Relay controlled fixed resistor network |
| Steps | -80dB to +8dB in 1dB steps |
| POWER CONSUMPTION | |
|---|---|
| Standby | <1W |
| Operation | 90W (no load) |
| Operation with DAC Streamer | 120W (no load) |
| Operation with USB DAC | 120W (no load) |
| Dimensions | |
|---|---|
| Height | 182mm including feet |
| Width | 435mm |
| Depth | 470mm (with connectors) |
| Weight | 38kg (w/o DAC/Streamer) |
| Material | Aluminium for body parts and hidden heat sinks |
| DAC / Streamer Board (optional 2023 version)* | |||
| Inputs | Streamer | S/PDIF | AES/EBU |
|---|---|---|---|
| Connector1 x RJ451 x RCA1 x XLR | |||
| Impedance 75Ω110Ω | |||
| Max S/Rate384kHz + DSD128** + 384MQA192kHz192kHz | |||
| Resolution32bit24bit24bit | |||
| USB DAC Board (optional)* | ||||
| Inputs | USB | Optical | S/PDIF | AES/EBU |
|---|---|---|---|---|
| Connector1 x USB B1 x Toslink1 x RCA1 x XLR | ||||
| Impedance 75Ω110Ω | ||||
| Max S/Rate192kHz + DSD128**96kHz192kHz192kHz | ||||
| Resolution32bit24bit24bit24bit | ||||
*Only one optional module can be fitted at a time
**DSD is converted to PCM
Newcastle Upon Tyne
07976 496218
Criterion Audio, Criterion House, Oakington Road, Cambridge, CB3 0QH
01223 233730
24-26 Union Street, Maidstone, Kent. ME14 1ED
01622 676703
Unit 2, Stanbridge Park, Staplefield Lane, Staplefield, RH17 6AS. UK.
01444 400430
Unit 30, Lisburn Enterprise Organisation, 6 Enterprise Crescent, Ballinderry Road, Lisburn, BT28 2BP
0203 916 6330
Unit 42, Dungannon Enterprise Centre, 2 Coalisland Road, Dungannon, BT71 6JT
0203 916 6330
Walton on Thames, Surrey
+44 (0)788 785 2513
85-91 Ber Street, Norwich, Norfolk, NR1 3EY
01603 627010
The Old Chapel, Forge Lane, Belbroughton, DY9 9TD
01562 731100
PJ Hi-Fi Ltd, 3 Bridge Street, Guildford, Surrey GU1 4RY
01483 504801
216 Moulsham Street, Chelmsford, CM2 0LR
01245 265245
44a High Street, Rayleigh, SS6 7EA
01268 779762
132/134 London Rd, Southend, SS1 1PQ
01702 435255
The Audiobarn, Feltimores Park, Chalk Lane, Old Harlow, Essex, CM17 0PF
01279 454 860
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