Onkyo TX-SR3100DAB

Onkyo TX-SR3100, 8K home theater amp, Dolby Vision and HDR10+

The audio-video amplifier Onkyo TX-SR3100 is a 5.2-channel model delivering 80 W per channel into 8 ohms. It supports 4K and 8K formats, offering a range of advanced features usually reserved for higher-end models. This combination of user-friendliness and performance makes it an outstanding value for money.

Immersive audio experience

The TX-SR3100 supports Dolby Atmos and DTS:X, creating a three-dimensional sound field where audio can move in all directions, including overhead. This capability ensures an immersive listening experience that faithfully reproduces the intentions of sound engineers and content creators. The inclusion of Dolby Atmos Height Virtualizer further enhances this experience by creating virtual surround and height effects, even without additional speakers.

Enhanced video performance

With HDMI 2.1a support, the TX-SR3100 is future-ready, capable of handling a wide range of video resolutions and refresh rates, including 8K60 and 4K120. It supports dynamic HDR formats, ALLM, VRR, QFT, and QMS, ensuring compatibility with the latest video technologies and delivering smooth, crisp action sequences. The receiver also integrates Dolby Vision and HDR10+ technologies, enhancing visual quality with sharp, clear images and vibrant colors.

Advanced room calibration

AccuEQ room calibration technology streamlines setup by automatically calibrating the receiver and speakers based on room acoustics, compensating for differences in speaker size and distance. This feature ensures optimal audio playback across different environments.

Vocal clarity

The Vocal Enhancer technology brings dialogs and voices to the forefront by adding the center channel element to the front left and right speakers, ensuring clear speech even during action scenes or quiet moments.

Music playback

For music lovers, the TX-SR3100’s DSP Music Optimizer listening mode restores compressed audio files to their original lossless quality by reconstructing data lost during compression. This is particularly beneficial for formats such as WMA, AAC, and MP3, allowing users to fully experience the depth and richness of their music collection.

Design and connectivity

The Onkyo TX-SR3100 sports a sleek, modern design that should complement any home theater setup. It offers versatile connectivity options, including HDMI 2.1 inputs for 8K and 4K resolutions and built-in Bluetooth 5.0, meeting a wide range of modern connectivity needs.

Advantages of the Onkyo TX-SR3100 amplifier

• Immersive 3D audio with support for Dolby Atmos and DTS:X
• Ensures clear dialogue and voices with Vocal Enhancer technology
• Supports 8K and 4K, Dolby Vision, and HDR10+
• Simplifies setup with AccuEQ room calibration
• Restores compressed music to high-quality sound with Music Optimizer
• Game-optimized video: features such as VRR and ALLM

Technical Specifications

Amplification

• Type: Class AB
• Configuration: Compatible with 5.2 or 3.2.2 channels
• Rated output power: 5 channels × 135 W (6 Ω, 1 kHz, 1 channel, THD 1%, IEC)
• Maximum output power: 5 channels × 155 W (6 Ω, 1 kHz, 1 channel, THD 10%, IEC)
• Speaker impedance: 4 Ω - 16 Ω

Audio Performance

• THD+N: 0.08% (20 Hz - 20,000 Hz, rated power)
• Signal-to-noise ratio: 106 dB (IHF-A, line input, speaker output)
• Frequency response: 10 Hz - 100 kHz (+1 dB, -3 dB in Direct mode)
• Tone controls:
  • Bass: ±10 dB, 20 Hz
  • Treble: ±10 dB, 20 kHz

Inputs / Outputs

• HDMI: 4 inputs, 1 output (eARC)
• Analog audio: 3 RCA, 2 pre-out subwoofer outputs, Zone B output
• Digital audio: 1 optical, 1 coaxial
• Input sensitivity/impedance: 200 mV / 32 kΩ (RCA line)
• Pre-out level: 1 V / 470 Ω (subwoofer)
• Line output level: 1 V / 200 mV / 2.3 kΩ (Zone B)

Headphone Section

• Output power: 80 mW + 80 mW (32 Ω, 1 kHz, THD 10%)
• Compatible impedance: 8 Ω - 600 Ω
• Frequency response: 10 Hz - 100 kHz

Video Formats

• Resolutions: 8K, 4K Ultra HD
• HDR: Dolby Vision, HDR10+
• HDMI 2.1a features: Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), Display Stream Compression (DSC), HDCP2.3

Audio Formats

• Dolby: Atmos, Surround, Atmos Height Virtualization
• DTS: DTS:X, Neural:X, Virtual:X

Bluetooth

• Version: 5.0
• Frequency: 2.4 GHz (2.402-2.480 GHz)
• Codecs: SBC, AAC
• Profiles: A2DP v1.3, AVRCP v1.6, AVDTP v1.3, AVCTP v1.4
• Bandwidth: 20 Hz - 20 kHz (44.1 kHz)

Physical Characteristics

• Dimensions (W × H × D): 435 × 160 × 328 mm
• Weight: 8.4 kg
• Power supply: 220-240 V AC, 50/60 Hz
• Power consumption:
  • Operating: 465 W
  • Standby: 0.3 W
  • HDMI CEC standby: 0.3 W