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Stereo integrated amplifier

37 Reviews | 6 questions - 17 answers

Item # 745C375BEE

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NAD C 388

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Our take on the NAD C 375BEE

Experience room-filling sound with impressive musical detail and transparency. The NAD C 375BEE features a sophisticated design and beefy construction to bring out the best in all your music — from the lowest, wall-shaking pedal notes of a pipe organ to the delicate reverberation of a solo acoustic guitar. This integrated amp delivers 150 full-bandwidth-rated watts to each of your stereo speakers for powerful, undistorted sound, even during your music's most demanding passages.

Experience room-filling sound with impressive musical detail and transparency. The NAD C 375BEE features a sophisticated design and beefy construction to bring out the best in all your music — from the lowest, wall-shaking pedal notes of a pipe organ to the delicate reverberation of a solo acoustic guitar. This integrated amp delivers 150 full-bandwidth-rated watts to each of your stereo speakers for powerful, undistorted sound, even during your music's most demanding passages.

Advanced technology for stunning sound

The C 375BEE employs many of the same high-end features found on NAD's top-of-the-line Masters Series components, including NAD's exclusive PowerDrive™ technology. This unique circuit automatically senses your speaker's impedance, then optimizes the amp's power supply settings to deliver the most dynamic power possible. This allows it to easily drive low-impedance loads, including many of today's high-end speakers, which often run closer to four ohms than eight. Plus, a patented distortion canceling circuit in the amp's output stage ensures your music stays clean and pure.

A strong, vibration-resistant build

Along with all of its advanced technology, NAD gave the C 375BEE a big helping of good old-fashioned construction quality. This integrated amplifier boasts a heavy-gauge steel chassis for added durability and vibration resistance. Its power supply, the heart of any amplifier, utilizes an interference-canceling toroidal transformer and heavy copper buss bars to channel enormous amounts of current to the custom gold-plated speaker binding posts. Additional premium-quality internal components — such as four pairs of discrete high-wattage output transistors per channel — allow the C 375BEE to handle prolonged high-power operation effortlessly.

Connections and convenience

This integrated amp offers enough inputs to connect seven audio components. Its modular design even allows turntable owners to install an optional NAD phono module for listening to vinyl. (Or, connect NAD's outboard PP3 phono preamp.) Two sets of main speaker outputs provide hookups for an additional pair of speakers. Separate preamp input/line-level output jacks let you use the C 375BEE as an independent power amplifier or preamp for future system expansion, or to easily add a powered subwoofer. And the included remote gives you easy control of the amplifier and the other NAD audio components in your system.

I am upgrading from NAD C356BEE and WOW the power, music articulation is very impressive at this price. Paired with Monitor Audio BX-5.These speakers are very small, (5" woofers), sound like 10" woofers! I listen to all types of music and I don't miss a note!

Billy, Philadelphia, PA

What's in the Box:

  • Integrated amplifier
  • 5.5' Power cord
  • Wireless remote control (SR 8)
  • 2 "AA" batteries
  • 2 Pre-out/Main-in jumpers (installed)
  • Owner's manual (English/ French/ Spanish/ Italian/ German/ Dutch/ Swedish/ Russian)
  • Warranty information

Product Highlights:

  • 150 watts x 2 channels into 8 ohms (20-20,000 Hz) at 0.009% THD
  • 150 watts x 2 channels into 4 ohms (20-20,000 Hz) at 0.009% THD
  • 4-ohm capability allows use with a wide range of speakers
  • signal-to-noise ratio: 102 dB
  • PowerDrive™ circuit with automatic speaker impedance sensing delivers maximum dynamic power output regardless of speaker load
  • switchable Soft Clipping™ circuit gently limits amplifier power output to reduce risk of speaker damage due to prolonged high volume operation
  • distortion-canceling circuit for high-accuracy sound
  • toroidal power transformer
  • all-discrete circuitry with four pairs of high-wattage output transistors per channel
  • rotary bass and treble controls with defeat switch for tone control bypass
  • 7 RCA audio inputs including 2 tape in/outs
  • optional NAD PP375 phono preamp module allows upgrading for turntable connection
  • front-panel minijack input for connecting a portable music player
  • main-amp input and 2 preamp outputs for connecting a powered subwoofer or separate amplifier for bi-amping
  • full-size headphone jack
  • front-panel switching for 2 pairs of speakers
  • two pairs of custom gold-plated speaker binding posts
  • bridged mode for mono operation (330 watts x 1)
  • RS-232 port for operation with third-party controllers
  • 12-volt trigger output
  • IR input/output
  • detachable AC power cord
  • <1W Standby Power Consumption
  • free of lead and other environmentally dangerous substances
  • remote control
  • weight: 33.7 lbs.
  • 17-1/8"W x 5-15/16"H x 17-1/2"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

NAD C 375BEE Reviews

Average Customer Review(s):

(37 Reviews)
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Hands-on research

Features and Specs

Performance Specs
Watts RMS per Channel (8-ohms) 150
Watts RMS per Channel (6-ohms) Not given
Watts RMS per Channel (4-ohms) 150
Frequency Bandwidth 20-20k
THD 0.009%
Minimum Impedance 4 ohms
Signal to Noise Ratio 102
Digital Music Features
Built-in DAC (Digital to Analog Converter) No
High-resolution Audio Playback No
Bluetooth No
Wi-Fi No
Total Analog Inputs 7
Phono Input No
Optical Digital Inputs No
Coaxial Digital Inputs No
USB Input No
Preamp Outputs Stereo (2)
Headphone Output 1/4"
Dimensions and Warranty
Width (inches) 17-1/8
Height (inches) 5-15/16
Depth (inches) 17-1/2
Weight (pounds) 33.73
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research



Soft Clipping: NAD's Soft Clipping circuit gently limits the output of the C 375BEE to minimize audible distortion when the amplifier is over-driven. While Soft Clipping can be left on at all times to reduce the likelihood of audible distortion from excessive volume settings, you can also turn the circuit off for critical listening if you prefer.

Bridgeable: The C 375BEE can be bridged to a single channel, more than doubling the power output. When bridged, the minimum recommended speaker impedance is 8Ω.

Tape Monitor: If you own a 3-head tape deck, the tape monitor loop allows you to monitor recording quality as the recording is made.

Phono Input: From the factory the C 375BEE has no phono input, but the optional PP 375 Phono Module can be installed, creating an input that will accept moving magnet or moving coil cartridges.

Front Input: A 3.5mm mini-jack input on the front panel is labeled MP (Media Player); there is also an RCA MP input on to rear panel which is automatically disconnected when the front panel input is used.

Pre-out/Main-in Loop: Factory jumpers connect the main amplifier input to the Pre Out 1 preamp outputs. This offers the flexibility of inserting an equalizer, surround processor (when using multiple amps), or another type of processor between the two stages.

Dual Preamp Outputs: The second set of preamps are convenient for bi-amping speakers or adding a powered subwoofer.

Remote Control: The SR 8 wireless remote will control the C 375BEE and NAD CD players and Tuners.


Front Panel:

  • A Speakers: turns the A speakers outputs on/off
  • B Speakers: turns the B speakers outputs on/off
  • Input: six individual buttons to select input (MP, CD, Tuner, Disc, Aux, and Tape 2)
  • Tape Monitor: engage/disengage the tape monitor loop
  • Tone Defeat: bypass the bass and treble controls
  • Bass: rotary bass adjustment; +/-8dB @ 100Hz
  • Treble: rotary treble adjustment; +/-5dB @ 10kHz
  • Balance: rotary left/right balance
  • Volume: rotary volume control

Rear Panel:

  • Volume: rotary dial; adjusts volume of Pre Out 2 (relative to Pre Out 1)
  • Bridge Mode: switch between stereo and mono amplifier output
  • Soft Clipping: turn the Soft Clipping circuit on/off
  • Power: master power switch


Rear Panel:

  • Speakers: the speaker binding posts will accept single banana plugs, pin connectors, spade lugs up to 0.625" wide, and bare wire up to 10 gauge; there are four speaker outputs, A (left and right) and B (left and right)
  • Inputs: stereo RCA input jacks for MP (Media Player), CD, Tuner, Disc, Aux, Tape 2, and Tape Monitor
  • Record Outputs: stereo RCA output jacks for Tape 2 and Tape Monitor
  • Pre Out 1: stereo RCA preamp outputs
  • Main In: stereo RCA preamp inputs; jumpers to the Pre Out 1 outputs are factory installed
  • Pre Out 2: stereo RCA outputs for feeding a powered subwoofer or another amplifier; jumpers to the main amplifier inputs are factory installed - a rotary dial beside the outputs adjusts the volume relative to the Pre Out 1 jacks
  • IR In: 3.5mm mini-jack input, used to control this unit using an optional infrared repeater or the IR output of another component
  • IR Out: 3.5mm mini-jack output, used to control another NAD component
  • 12 Volt Trigger Out: turn on/off another device along with the C 375BEE; the +12 volt trigger output is a 3.5mm mini-jack; the maximum output is 50 mA
  • RS 232: the RS-232 port allows connection to a compatible PC or external whole-house control system from companies such as AMX or Crestron
  • AC Input: 2-pole IEC power input for use with included cord (or optional upgraded cord)
  • AC Output: switched, 100 watts max

Front Panel:

  • Headphone: Standard 1/4" headphone jack
  • MP: 3.5mm mini-jack Media Player input


Amplifier Section:

  • Continuous Power: 150 watts x 2 into an 8Ω or 4Ω load, 20 Hz - 20 kHz, no more than 0.009% THD, both channels driven simultaneously
  • Continuous Bridged Power: 330 Watts x 1 into an 8Ω load
  • Dynamic Power:
    • 8Ω: 250 watts x 2
    • 4Ω: 410 watts x 2
    • 2Ω: 600 watts x 2
    • 8Ω Bridged: 800 watts x 1
    • 4Ω Bridged: 1200 watts x 1
  • Rated THD (Total Harmonic Distortion): <0.009% (driving both channels 20 Hz - 20k Hz simultaneously at 8Ω)
  • Signal/Noise:
    • >102 dB (A-weighted, ref 1 watt)
    • >123 dB (A-weighted, ref 150 watt)
  • Damping factor: >200 (ref 8Ω, 50 Hz and 1 kHz)
  • Frequency response:
    • +/- 0.1 dB: 20 Hz-20 kHz
    • - 3 dB: 3 Hz-70 kHz
  • Input impedance: 10 kΩ + 200 pF
  • Input sensitivity: 1.2 volts (ref rated power)
  • Voltage gain: 29 dB
  • Headphone output impedance: 68 Ω
  • Channel separation:
    • 1 kHz: >85 dB
    • 10 kHz: >75 dB
  • Tone control:
    • Bass: +/-8dB @ 100Hz
    • Treble: +/-5dB @ 10kHz
  • Power Requirement: AC 120V 60Hz
  • Power Consumption:
    • At Rated Power: 290W
    • Standby: <1W
    • Idle: 120W
  • Weight: 33.7 lbs (15.3kg)

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Great Value [ Alan  Mar 19, 2017 ]
upgrade [ B  Mar 10, 2017 ]
I have a pair of Martin Logan LX16s... 4ohms and 200W... This beast drives them perfectly. That said, if the M32 had been available at the time I purchased this unit, I may have considered the M32.... granted, it is more than double the cost. [ Mike  Jan 23, 2017 ]
NAD has a great reputation for quality sounding and well built stereo integrated amplifiers. [ JOEY  Oct 04, 2016 ]
Wow. Spent a lot of time considering this purchase. I wanted to power speakers in my great room from various sources. Wanted plenty of power with decent sound and RS-232 control (this amp is located in the basement). Pretty good for the money. Checked off all the requirements on my list. [ Paul  Sep 10, 2016 ]
clarence did a great job reviewing the technical solutions that were available based on my audio configuration. Clarence's Bio: [ brian  Feb 24, 2016 ]
reputation, quality build, continuous power ratings, drives 4 ohm speakers, have other NAD products that I like. [ David  Feb 11, 2016 ]
Speaker manufacturer recommended [ Charles  Dec 16, 2015 ]
Reviews. Good value. Power reserves. Sound quality. Ability to power low resistance speakers (planar-magnetic). [ ANN-KATRIN  Dec 10, 2015 ]

6 questions already asked

YES, the only input I am using with this NAD amp is from a ASUS PCI-Express x1 XONAR ESSENCE STX/90 soundcard I installed in a Dell PC. It works excellent. [ TERRY K  Sep 01, 2016 ]
Yes. I use it for hi res music but you must purchase the DAC module. [ Gregory  Sep 01, 2016 ]
Yes... If you order the unit with the optional DAC module installed. You need the DAC... I opted for another manufacturer's external DAC component. That component has usb and tos-link interfaces with which to connect to your computer. It's pretty straightforward. Good luck [ Mike  Sep 01, 2016 ]
NAD makes a add-on module, the MDC DAC 2, which can be installed in the back of the amplifier (you should have this done by the dealer at time of purchase). This module has a digital to analog converter and USB & optical digital inputs for connection directly to a computer. If you already have a DAC (such as a Dragonfly), you can run the output of that into one of the 7 line inputs on the amp. [ Steven  Aug 31, 2016 ]
You will need a digital to analog converter (DAC) that can change your optical digital signals into RCA analog signals. [ CHIH  May 17, 2016 ]
You are going to need a DAC. Most digital-analogue converter (DAC) have one or two optical ports (also known as optical drive or toslink). Plug the DAC, which you can also have your computer devices connected to, to the AUX analogue input (red and white RCA). I personally have the Cambridge DacMagicPlus....But, there are other brands out there just as good and slightly cheaper. After doing this type of connection, you will notice a superior sound coming out of your NAD. [ CRISTIAN  May 17, 2016 ]
Dave I am afraid to say your question is way to technical to for me. I have a pair of Polk Tower RTiA7 speakers on Ch A, pair of Polk LSiM703 bookshelf spkrs on Ch B and a Polk DSW Pro660wi subwoofer. My system is in a raised center heighth barn 30ft x 40ft, 25 ft. high ceiling in the center. The sound is incredible, 60s 70s rock, jazz and blues. CDs Ipod and siruis XM feed the NAD. [ Frank  Apr 21, 2016 ]
Not sure where you read that it put out the same power reguardless of load, but according to the NAD website it puts out 250, 410, and 600 watts of dynamic power at 8,4 and 2 ohms. All l can say is that I have a set or referbished Polk SDA 1b speakers that run about 2-4 ohms and the 375 will drive them to ear bleed levels. Even the little 326bee drives these low impedance loads very well. I'm very happy with both my NAD amps. [ DAVID L  Apr 20, 2016 ]
It did not like my formula: I in amps (A) is equal to the square root of the power P in watts (W), divided by the resistance R in ohms (?) [ Robert  Apr 18, 2016 ]
Not exactly sure but from what I understand if you run it at 4ohms speakers on an 8 ohm setting it will heat up the amp and that would apply if you mixed speakers of different resistances as electricity follows the path of least resistance. I believe it protects the amp form overheating and tripping an overheat, think of it as water the amps equals (flow) and is just a formula I (A) = ?P (W) / R (?) [ Robert  Apr 18, 2016 ]
Yes,,,,,You have to use the pre-outs....You will noticed that it came with a circuit breaker or a bridge-like piece connected to it.....You have to remove it (but don't throw it away). If the subwoofer uses one cable, you will need a Y-RCA cable adaptor to connect on the NAD. If the subwoofer also uses RCA cable connectors, get a Y-RCA adaptor as well for it. But, you can easily figure out which is the best connection to go with. I am using two cables one for the red and another for the white RCA input on my NAD and Klipsch subwoofer. As I mentioned before, you will see pre-out 1 and pre-out 2 [ CRISTIAN  May 17, 2016 ]
Yes [ Spencer  Mar 21, 2016 ]
I checked the manual and there does not appear be a specific output listed for subwoofers. There are 2 sets out speaker outlets but do not know if this would work. I use a Bose system and the subwoofer and speakers are integrated as a "unit" requiring only the 2 (left and right) speakers be plugged in and the subwoofer works with them that way. I hope this helps. [ BENJAMIN T  Mar 20, 2016 ]
There is not a dedicated sub output. I assume you are talking about a pre-amp level out to the sub. I run this amp with another power amp to another set of full range speakers so that takes the extra preamp output. I also run two powered subwoofers by splitting the output that goes to the built in amp of this unit. I send the each channel of the main pre-out to a splitterand one side of each splitter goes back into the Nad Amp and the other side goes to each subwoofer amp. This works just fine and allows me to balance the ouput to the second full range amp while running the subs. If you do not need to use the second amp output you could easily run your subwoofer off of the second pre-amp outputs. [ VINCENT  Mar 18, 2016 ]
It cannot power both sets of those 4 ohm speakers at the same time. 8 ohm speakers are needed to do that. [ Paul  Dec 09, 2015 ]  Staff
The NAD 375 is far superior to that Sony. Stay with the NAD, but get a DAC [ CRISTIAN  May 17, 2016 ]
After looking at the specs for your Sony 1050, I find it has two channel stereo line level outputs, and should work with the 375. But if you want the best performance from your 375, you'll want to use it in a stand alone two channel stereo system. I own a 375 and it's a phenomenal sounding stereo amp for music. Either way, you'll need separate speakers for your 375, and it sounds best with modern higher end models, and likes 4 ohm loads, to really come alive. [ DAVID L  May 03, 2015 ]