Technics SU-G700M2 Stereo Integrated Amplifier

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A stereo integrated amplifier from Technics. Technics rates it at 70 W + 70 W into 8 ohms and 140 W + 140 W into 4 ohms (1 kHz, 0.5% THD) and lists full digital amplification with the JENO Engine, a phono input for MM and MC cartridges, optical, coaxial and USB-B digital inputs, and a Class AA headphone amplifier. Available in Black and Silver.

Technics says the SU-G700M2 power amp section uses full digital amplification with the JENO Engine (Jitter Elimination and Noise-shaping Optimisation), based on the design concept of its reference systems.

Power, 8 ohms

70 W + 70 W (1 kHz, 0.5% THD)

Power, 4 ohms

140 W + 140 W (1 kHz, 0.5% THD)

Phono input

MM and MC, 4-level gain

Digital inputs

2 optical, 2 coaxial, USB-B

USB audio

PCM to 384 kHz / 32-bit, DSD to 11.2 MHz

Headphones

Class AA amplifier, 6.3 mm

Why you will love it

JENO Engine full digital amplification

Technics says an original jitter reduction circuit eliminates jitter over the entire audible frequency range, and a high-precision PWM (Pulse Width Modulation) conversion circuit is used.

Technics says optimising the noise-shaping speed, degree and quantisation number lets data from high-resolution sources be converted to PWM signals without loss.

Technics SU-G700M2 stereo integrated amplifier in silver, front view

LAPC speaker adaptation

Technics says the Load Adaptive Phase Calibration (LAPC) algorithm measures the frequency amplitude and phase characteristics of the amplifier with your speakers connected, and applies an optimised impulse response through digital signal processing.

Technics says this flattens the amplitude and phase frequency characteristics.

Advanced Speed Silent power supply

Technics says the power supply technology from its reference-class SU-R1000 is used, with the switching frequency raised from the 100 kHz band to the 400 kHz band. It lists the same GaN FET and SiC SBD as the SU-R1000, and a Super Low Noise Regulator in the later stage.

Inside the Technics SU-G700M2 showing the three-section layout

Three-section construction

Technics says partitions separate the circuit blocks according to the signal level handled, to avoid interference between them.

The bottom chassis has a two-layer construction with 1.2 mm and 2 mm steel plates. Technics also lists a 1.6 mm steel top panel and a 7 mm aluminium front panel for vibration damping.

Phono input for MM and MC

Technics says phono MC input is now supported. It lists a differential parallel connection of a first-stage low-noise FET, and four-level gain adjustment so you can match the gain to your cartridge output.

Technics lists input sensitivity of 2.5 mV / 47 kohm for MM and 300 uV / 100 ohm for MC.

Rear phono and line inputs on the Technics SU-G700M2

USB audio and Class AA headphone amplifier

The USB-B input (USB Audio Class 2.0, asynchronous mode) accepts PCM up to 384 kHz / 32-bit and DSD 2.8, 5.6 and 11.2 MHz, with ASIO Native and DoP control modes.

Technics says the Class AA headphone amplifier has separate circuits for voltage and current amplification, so headphones can be driven with low distortion whatever the load impedance.

Is it right for you?

A great fit if you…

Want a stereo integrated amplifier with a phono input for MM and MC cartridges
Want optical, coaxial and USB-B digital inputs for a TV, CD player or computer
Want a headphone output on the front of a full-size amplifier
Want to connect a power amplifier or subwoofer through the pre-out and line out

Worth knowing

There is no HDMI and no network or Bluetooth streaming. Inputs are 2 line, phono, 2 optical, 2 coaxial and USB-B
Technics lists a load impedance of 4 ohm to 16 ohm
It weighs about 12.6 kg and is 430 mm wide, 148 mm high and 428 mm deep, so check your shelf
Black and Silver finishes are available

Build your system

The SU-G700M2 needs a pair of speakers. A turntable is optional.

Speakers: Browse bookshelf speakers and floor-standing speakers.
Turntable: The phono input takes MM and MC cartridges. See the Technics SL-1500CS turntable or browse turntables.
Subwoofer: Browse subwoofers for the line out and pre-out.
More Technics: See the Technics SU-R1000 reference class amplifier or the Technics range.

Specifications

Amplifier

Output power (1 kHz, 0.5% THD, 20 kHz LPF)	70 W + 70 W (8 ohms), 140 W + 140 W (4 ohms)
Load impedance	4-16 ohms
Frequency response, phono (MM / MC)	20 Hz-20 kHz (RIAA deviation +/-1 dB, 8 ohms)
Frequency response, line	5 Hz-80 kHz (-3 dB, 8 ohms)
Frequency response, digital	5 Hz-80 kHz (-3 dB, 8 ohms)
Input sensitivity / impedance	Phono MM 2.5 mV / 47 kohm; phono MC 300 uV / 100 ohm; line 200 mV / 22 kohm

Connections

Analogue input	Line x 2 (LINE1, LINE2 / MAIN IN), phono (MM / MC) x 1
Digital input	Optical x 2, coaxial x 2, USB-B x 1 (PC)
Analogue output	Line out x 1, pre out x 1
Headphone output	Yes, stereo 6.3 mm

USB audio

USB-B	USB 2.0 high-speed, USB Audio Class 2.0, asynchronous mode
PCM	32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit
DSD	2.8, 5.6, 11.2 MHz
DSD control mode	ASIO Native mode, DoP mode

General

Power supply	AC 220-240 V, 50 / 60 Hz
Power consumption	95 W
Dimensions (W x H x D)	430 x 148 x 428 mm
Weight	Approx. 12.6 kg
Accessories	AC cord, remote control, batteries for remote control, owner's manual

Specifications from Technics Australia's SU-G700M2 product page, checked November 2026.

What is in the box

AC cord
Remote control and batteries
Owner's manual

Questions people ask

How much power does it have?

Technics lists 70 W + 70 W into 8 ohms and 140 W + 140 W into 4 ohms (1 kHz, 0.5% THD, 20 kHz LPF).

Does it have a phono input?

Yes. Technics lists a phono input for MM and MC cartridges, with four-level gain adjustment.

Can I use it as a USB DAC?

Yes. Technics lists a USB-B input (USB Audio Class 2.0, asynchronous) with PCM up to 384 kHz / 32-bit and DSD up to 11.2 MHz.

What digital inputs does it have?

Two optical, two coaxial and one USB-B.

Does it have a headphone output?

Yes. Technics lists a Class AA headphone amplifier with a 6.3 mm stereo output.

Does it have Bluetooth or network streaming?

No. The SU-G700M2 is an amplifier with line, phono, optical, coaxial and USB-B inputs.