
See Options
Need help? Ask our experts.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
Browse our FAQ
Q = 0.4 to 4.0 Adjustable on middle ranges
Q = 1.0 Fixed on low & high ranges
> + 28 dBu
EQ Flat: + 28 dBu
EQ Full Boost: + 17 dBu
+0 / -3 dB
sub 2 Hz to beyond 300 kHz
< .15 dB (Stereo Deviation)
-106 dBu (All EQ Stages In, Controls Flat)
+20 dB (+10 dB with range switch in) (21 Step Detented)
-20 dB (-10 dB with range switch in) (21 Step Detented)
Centers - Peak/Shelf Selectable: 20, 34, 56, 100, 180, 270
20 Hz - 220 Hz or 200 Hz - 2.2 kHz
10X Range switch selectable
250 Hz - 2.5 kHz or 2.5 kHz - 25 kHz
10X Range switch selectable
4.8 k, 5.8 k, 8.0 k, 10 k, 16 k, 21 k (Centers - Peak/Shelf Selectable)
20 Hz - 30 kHz, All EQ Bands Switched In
< .009%, typ < .003 %
10 Hz - 20 KHz, 100 mV C.M.
> 60 dB, Typ > 80 dB
> 50 volts per microsecond (+27 dBu Out)
Yes (For Each Channel)
Yes (On High & Low Range)
Yes (On Individual EQ Bands)
25 kilohms
50 ohms
> 500 ohms
5 ohms
Pure Class-A Discrete J-FETs
You can experience unparalleled audio control with the NSEQ-4 2-Channel Class A Discrete Solid State Parametric Equalizer, a high-quality, professional-grade product from the reputable brand, Millennia. This advanced equalizer offers full timbral control and total signal integrity, making it a top choice for audio recording and mixing professionals.
As the world's first and only all-discrete, true differential Class-A input buffer/amplifier, this innovative device offers selectable balanced or unbalanced input for ultimate versatility. It features a greatly improved 3rd generation FSA-03 all-discrete EQ amplifier and an enhanced output stage that requires no muting, a significant improvement over Twin Topology models.
When the EQ is not selected, this unit provides a true hard-wire bypass, ensuring the integrity of your audio signal. The upgraded power supply contributes to improved sonic performance, while the fully parametric stereo EQ delivers unprecedented sonic purity and integrity.
The NSEQ-4 boasts an all-discrete J-FET solid state signal path and a minimalist design with only one active stage in the audio path. With four EQ bands ranging from 20 Hz to 20 kHz center frequency and a Q range of 0.4 to 4.0, this device offers extensive control over your audio output.
The NSEQ-4 is designed to minimize noise, with an extremely low noise level of -106 dBu. It's constructed for demanding professional applications, featuring ultra-premium components throughout, including gold relays, connectors, switches, silver Teflon power wiring, and Mogami Neglex OFC audio wiring.
This durable and innovative equalizer also offers detented, loggable controls for precise adjustments. Plus, the NSEQ-2 can be easily converted to an NSEQ-4, providing additional versatility for your audio production needs. Experience the difference of superior audio control with the NSEQ-4 2-Channel Class A Discrete Solid State Parametric Equalizer.