Best Op Amps

FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs

AK4493 DAC chips for the ultimate in decoding performance, supporting up to 768kHz/32bit and native DSD.
Equipped with XMOS XUF208 USB receiver chip+AKM AK4493 DAC+ Op-amps OPA1642 + flagship TI TPA6120.
Extremely powerful headphone amplification for a total power output of up to 1.5 W under a 32Ω load, and up to 20Vpp at 300Ω.
Multiple interfaces- headphone jacks(6.35mm) /RCA outputs+ USB Coaxial, Optical, and Line-in inputs.
More accurate ADC volume control +Gain and bass switches.

Name: Low Power Precision Operational Amplifier Audio Dedicated Preamp Size: 50mm X 50mm Supply voltage range: up to ±18V.
Can be arbitrarily changed to positive amplification, reverse amplification, shooting with the integration circuit and other forms. The OPA1611 is ultra-low noise and is a powerful audio system..
The main features Excellent sound quality Ultra-low noise: 1.1nv/vHz at 1kHz Ultra low distortion: 0.000015% 1kHz High conversion rate: 27V/H Bandwidth: 40MHz (G=+1) Open loop gain: 130dB Unity gain stability Low quiescent current: 3.6 per channel Rail-to-rail output Wide Supply Range: ±2.25V to ±18V.
Application Professional audio equipment Analog and digital mixing console Audio Test and Measurement Preamplifiers microphone Broadcast recording equipment High-end A/V receiver.
The opa1611 bipolar input op amps achieve a low 1.1nv/VHz noise density at ultra-low distortion Hz of 0.000015% at 1kHz. The opa1611 provide a rail-to-rail output swing with a 2K2 load at 600mV, thereby increasing headroom and maximum dynamic range..

Bluetooth 5.0 can ensure more stable and faster wireless transmission with less losses. It can turn your normal passive speakers to Bluetooth....
Besides BT 5.0, this device also support standard 3.5mm AUX input. This amp can be connected with mobile phone, notebook, PC, PSP, CD and so on..
Classic TPA3116 amplifier chip & 3 x TL072 independent OP amps. It can offer 100W (50Wx2), which suits 3~6 inches 2.0CH speakers. Sound is very....
Unlike other similar TPA3116 amplifiers, this one has no power sparks issue. It also has built-in protective circuit to avoid damage to your speakers.....
More features: Independent treble & bass tone control. High quality 19V 4.74A power supply. Prompt and courteous customer service. For any questions,....

【Air Fryer Grill Pan for Ninja】: Made of food grade 304 stainless steel. No BPA, non-toxic and tasteless, meets FDA standards. The best choice for enjoying healthy and safe cooking..
【Multiple Usage】: The replacement crisper pan size is 8.2*8.2 inch, Compatible with Ninja AF100/AF101/AF150/AF161 air fryers, Ninja Foodi OP300/OP301//OP302/OP305/ OP401/FD302/FD401/OS101/OS301 Pressure and other air fryers use 8.20×8.20 inch crisper plate..
【Unique Process】: Our air fryer accessories features a handle design to ensure easy take out from the frying basket while cooking. PTFE non-stick coating, double layer spraying, easy to clean and more durable. Dishwasher safe, will bring more convenience for your life!.
【Package Include】1× Air Fryer Grill Plate, 1× Magic cleaning cloth, 4× Air Fryer Rubber Bumpers..
【Lifetime Service】：Customer service is our top one priority, please feel free to contact us if there is any quality problem, we will exchange them for free or will send a refund to you..

OP404 Rapidly Charges the Included OP40401 40V Battery Pack.
OP40401 Battery Supplies 4.0Ah of Power to Cordless Ryobi Tools.
Status Indicator Monitors Battery During Charging.
OP404 Charger requires 120V, 60Hz input power and uses the standard two-prong North American plug.

ORGANIC PEPPERMINT FLAVOR - Frontier Co-op offers organic peppermint flavoring in a 2 ounce bottle. Our peppermint flavor is non-alcoholic and exudes....
VERSATILE USES - Frontier Co-op organic peppermint flavor is a best friend to chocolate, holiday baking and sinful drinks. For a minty and refreshing....
FRESH PEPPERMINT FLAVOR - Choosing Frontier Co-op peppermint flavor ensues that you’ll bring out the fullest flavor in your recipes without adding....
ABOUT US - Owned by stores and organizations that buy and sell our products, Frontier Co-op has been a member-owned cooperative since 1976. We support....

18-month warranty. Prompt and courteous customer service. For any questions you have, please feel free to contact us..
Applications: ① G2 can be used as a subwoofer power amplifier for passive subwoofers.
② G2 can be used as a mono amp to drive single channel. You can use two G2 to drive left and right channel separately, which are known as PBLT / BTL Bridge amp. Compared with normal 2.0CH amps, it can ensure totally no interference between two channels and can provide higher power..
G2 can be used as a sub amp or a mono channel amp. It has a mode switcher which can change between SUB and PBLT modes conveniently. Equipped with 19V 4.74A high quality power supply..
It adopts TI TPA3116 and NE5532 op-amp, which can offer 100W high power and can drive most home sub and mono speakers. Its optimized circuit can ensure totally no background noise. Besides, it also built-in speaker protection circuit and low pass bass filter..
It has a gain setting which allows 4-level of output level setting (20/26/32/36 dB). It can keep the purity of the sound and avoid the resistor influence. Besides, it also has a bass cutoff frequency control knob..