EMG system comparison Motion Lab Systems Delsys myon Noraxon Aurion Cometa RUN Technologies Bortec Theraputic Unlimited
MA300-XII MA300-XVI MA300-6 MA300-10 MA300-16 Bagnoli-4 Bagnoli-8   Bagnoli-16 Trigno   1400A 1400L TeleMyo DTS ZeroWire Wave Myopac Jr. Standard Myopac AMT-8 AMT-16  Model 544 System
Features                                        
Total number of signal inputs 12 16 18 22 28 4 8 16 64 16/32 8 8 8 8 16/32 16 33 8 16 8
No. of EMG channels 8 16 6 10 16 4 8 16 16 upto 32 4 8 8 8 16/32 8 16 8 16 8
No. of dedicated event switch channels 0 0 8 8 8 0 0 0 0 0 0 0 0 0 2 8 9 0 0 optional
No. of dedicated auxiliary channels 4 0 4 4 4 0 0 0 48 optional 4 0 0 0 none 0 8 0 0 optional
Inputs (EMG, AUXiliary and Event Switch) 8emg + 4aux 16 emg 6emg + 4aux + 8es 10emg + 4aux + 8es 16emg + 4aux + 8es 4emg or 4aux 8emg or 8aux (8emg or 8aux) x2 16emg + 48 accel 32 emg or 32 aux 4emg + 4aux 8emg 8emg 8emg 32 emg 32 acc 2 fsw 8 EMG, 8 EV 16 EMG, 8 AUX, 9 EV 8emg 16emg 8 EMG or optional
Number of EMG gain settings 10 10 10 10 10 3 3 3 1 1 1 1 1 1 1 4 4 variable variable 7
Overall EMG Amplification  350 to 18k ±5% 350 to 18k ±5% 350 to 18k ±5% 350 to 18k ±5% 350 to 18k ±5% x100 x1000 x10k x100 x1000 x10k x100 x1000 x10k x900 x1000 x500 x500 x400 x1000 x1000 1k, 2k, 5k, 10k 1k, 2k, 5k, 10k 1k to 3k 1k to 3k 1k,2k,5k,10k,20k,50k,100k
Maximum EMG Bandwidth  10-1000 Hz -3dB 10-1000 Hz -3dB 10-2000 Hz -3dB 10-2000 Hz -3dB 10-2000 Hz -3dB 20-450 Hz ±10%  20-450 Hz ±10%  20-450 Hz ±10%  20-450 Hz ±10%  5-1000Hz 10-500/1000Hz 10-500/1000Hz 10-1500Hz 10-500/1000Hz 10-500/1000Hz 10-1000 Hz ±10% 10-1000 Hz ±10% 10 to 1000 Hz -6dB 10 to 1000 Hz -6dB 20-4000 Hz
Adjacent channel crosstalk > -50 dB > -50 dB > -50 dB > -50 dB > -50 dB ? ? ? ? ? ? ? ? ? ? ? ? - 50 dB - 50 dB ?
AUX Bandwidth  DC to 120Hz n/a DC to 120Hz DC to 120Hz DC to 120Hz factory set factory set factory set DC to 50Hz n/a 500Hz 500Hz n/a n/a ? DC-200Hz DC-200Hz n/a n/a optional
EMG signal bandwidth rolloff  10th Order Bessel 10th Order Bessel 10th Order Bessel 10th Order Bessel 10th Order Bessel 80 dB/decade  80 dB/decade  80 dB/decade  81 dB/decade  Elliptic Butterworth Butterworth ? 6dB/ocatve 6dB/octave 18dB/octave 18dB/octave ? ?  
Variable Low Pass EMG filter 1000 Hz 1000 Hz 2kHz to 350Hz 2kHz to 350Hz 2kHz to 350Hz none none none none none 1kHz or 500Hz 1kHz or 500Hz YES NO NO NO NO NO NO YES
Number of LP filter settings none none 8 8 8 none none none none none 2 2 3 0 0 0 0 0 0 2
Variable High Pass EMG filter optional optional optional optional optional none none none none none none NO NO NO NO NO NO NO NO NO
Cabled connection to subject YES YES YES YES YES YES YES YES NO NO YES YES optional NO NO YES YES YES YES YES
Radio Telemetry connection to subject optional optional optional optional optional NO NO NO YES YES NO NO YES YES YES NO NO NO NO YES
Radio telemetry signal delay (Group delay) 2ms 2ms 1.2 ms 1.2 ms 1.2 ms ? ? ? 48ms 16ms ? ? ? 13ms 13ms 2ms 2ms ? ? < 1ms
Maximum EMG Frequency Range 10 to 1000 Hz 10 to 1000 Hz 10 to 2000 Hz 10 to 2000 Hz 10 to 2000 Hz 20 to 450 Hz 20 to 450 Hz 20 to 450 Hz 20 to 450 Hz 5 to 1000Hz 10 to 1000Hz 10 to 1000Hz 10 to 1500Hz 10 - 1000Hz 10 to 1000 Hz 10 to 1000 Hz 10 to 1000 Hz 10 to 1000 Hz 10 to 1000 Hz 20 to 4000 Hz
Minimum EMG Frequency Range 10 to 1000 Hz 10 to 1000 Hz 20 to 350 Hz 20 to 350 Hz 20 to 350 Hz 20 to 450 Hz 20 to 450 Hz 20 to 450 Hz 20 to 450 Hz 5 to 500Hz 10 to 500Hz 10 to 500Hz 10 to 500Hz 10 - 500Hz 10 to 500 Hz 10 to 1000 Hz 10 to 1000 Hz 10 to 1000 Hz 10 to 1000 Hz 75 to 4000 Hz
Suitable for fine-wire EMG YES YES YES YES YES NO NO NO NO NO YES YES YES NO NO NO NO YES YES NO
Withstands fine-wire stimulation YES YES YES YES YES NO NO NO NO n/a NO NO NO NO ? ? ? NO NO NO
Surface contact electrodes YES YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO YES
Gel "snap" EMG electrodes YES YES YES YES YES NO NO NO NO YES YES YES YES YES YES YES YES YES YES NO
EMG pre-amplifier gain x20 x20 x20 x20 x20 x10 x10 x10 n/a n/a n/a n/a n/a 1000 n/a n/a n/a x1000 x1000 x35
EMG input impedance > 100 M ohm > 100 M ohm > 100 M ohm > 100 M ohm > 100 M ohm > 100 G ohm > 100 G ohm > 100 G ohm ? ? > 100 M ohm > 100 M ohm > 100 M ohm 20 M ohm 20 M ohm 1 M ohm 1 M ohm 10 G ohm 10 G ohm 15 M ohm
Overall Noise (RMS, R.T.I)  < 1.2 uV < 1.2 uV < 1.2 uV < 1.2 uV < 1.2 uV 1.2 uV  1.2 uV  1.2 uV  < 0.75uV ? < 1 uV < 1 uV < 1 uV > 50 dB > 50 dB < 0.8 µV (RMS) @ 60 Hz < 0.8 µV (RMS) @ 60 Hz 4.5uV 4.5uV < 2uV rti
C.M.R.R. 120 dB @ 40Hz 120 dB @ 40Hz 120 dB @ 40Hz 120 dB @ 40Hz 120 dB @ 40Hz 92 dB 92 dB 92 dB > 80 dB ? > 100 dB > 100 dB > 100 dB 90 dB > 100 dB 90 dB min. @ 60 Hz 90 dB min. @ 60 Hz 115 dB 115 dB 87 dB @ 60Hz
Electrostatic discharge protection YES YES YES YES YES NO NO NO NO YES NO NO NO NO ? NO NO NO NO NO
Leakage Current  < 100 uA < 100 uA < 100 uA < 100 uA < 100 uA <100 uA  <100 uA  <100 uA  n/a n/a ? ? ? ? ? ? ? ? ? ?
Voltage Isolation VAC (RMS) > 3000 Volts > 3000 Volts > 3000 Volts > 3000 Volts > 3000 Volts 4200 Volts 4200 Volts 4200 Volts n/a n/a 3000 Volts 3000 Volts ? n/a n/a ? ? ? ? ?
Maximum output voltage (V) ± 5.0V ± 5.0V ± 5.0V ± 5.0V ± 5.0V ± 4.8V  ± 4.8V  ± 4.8V  ± 5.0V  ± 5.0V  ± 5.0V  ± 5.0V  n/a ± 2.5V ± 2.5V ± 5.0V ± 5.0V ± 8.0V  ± 8.0V  ± 10.0V
Mechanical Specifications - Main amplifier                                        
Dimensions  305x305x64mm 305x305x64mm 305x305x64mm 305x305x64mm 305x305x64mm 100x65x40mm 205x108x57mm  406x152x70mm  276x241x127mm 194x114x59mm 280x197x102mm 280x197x102mm ? ? 155x105x40 305 x 229 x 53 mm  305 x 229 x 53 mm  480x300x45mm 480x300x45mm(x2) 17 x 12 x 5.5 in
Enclosure Material  Steel enclosure Steel enclosure Steel enclosure Steel enclosure Steel enclosure ABS Plastic ABS Plastic  ABS Plastic  Plastic  Plastic  ABS Plastic ABS Plastic ? ? ? Metal Metal Metal Metal Metal
Output Connector  DB-25 connector DB-25 connector DB-25 connector DB-25 connector DB-25 connector (4) BNC, SCSI-68 (8) BNC, SCSI-68  (16) BNC, SCSI-68  SCSI 68 connector DB-25 connector DB-25 DB-25 ? ? ? 37-pin subminiature 37-pin subminiature BNC BNC DB-25 connector
Signal Cable supplied with system BNC or pins BNC or pins BNC or pins BNC or pins BNC or pins Additional cost Additional cost Additional cost Additional Cost NO NO NO ? NO ? NO NO NO NO NO
Mechanical Specifications - Subject unit                                        
Dimensions  137x105x45mm 137x105x45mm 137x105x45mm 137x105x45mm 137x105x45mm 61x58x25mm 89x83x32mm  89x83x32mm x2 27x37x15mm (ea) 40x40x15mm (ea) n/a n/a 126x68x24mm   33 x 23 x 19 mm 146 x 91 x 53 mm 146 x 91 x 53 mm 140x80x45mm 140x80x45mm x2 n/a
Mass  390 g 400 g 420 g 440 g 460 g 64 g 100 g  100g  (x2) 15g (ea) 19g (ea) n/a n/a 185 g 12g (ea) 12g (ea) 320 g 480 g 240 g 240 g x2 n/a
Enclosure Material  6061-T4 Aluminium 6061-T4 Aluminium 6061-T4 Aluminium 6061-T4 Aluminium 6061-T4 Aluminium FR-ABS Plastic FR-ABS Plastic  FR-ABS Plastic  Plastic  Plastic  n/a n/a Plastic Plastic Plastic n/a n/a Plastic Plastic n/a
Connector Material Plastic Plastic Metal Metal Metal Plastic Plastic Plastic n/a mini-USB n/a Plastic Plastic n/a n/a n/a n/a Plastic Plastic Plastic
Connecting Cable (subject)                                        
Length  18 to 36 m 18 to 36 m 18 to 36 m 18 to 36 m 18 to 36 m 7.5 to 15 m 7.5 to 15 m 7.5 to 15 m n/a n/a 4.5 m 4.5 m n/a n/a n/a 15 m (5 - 60 m) 15 m (5 - 60 m) 10 to 50 m 10 to 50 m x2 3 m
Diameter  2.66 mm 2.66 mm 2.66 mm 2.66 mm 2.66 mm 6.5 mm  6.5 mm  13 mm (2 cables) n/a n/a 11 mm 11 mm n/a n/a n/a 2.5 mm 2.5 mm 2 mm 4 mm (2 cables) 3 mm
Usability Features                                        
Internation auto-switching AC Power supply YES YES YES YES YES NO NO NO NO YES NO NO NO YES ? NO NO NO NO NO
Internal calibration source YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO
EMG overload LEDs YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO
Signal OK / CRC error detection YES YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO
Biomechanics standard C3D files YES YES YES YES YES NO NO NO NO YES YES YES YES YES YES YES YES NO NO NO
Approvals                                        
FDA 510k for Clinical use YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO YES YES NO
FDA 510k for Biofeedback use YES YES YES YES YES YES YES YES YES NO YES YES NO NO NO NO NO YES YES NO
UL approval YES YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO
IEC 601-1 CE approval YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO NO YES YES NO
Warranty                                        
Money Back Guarantee YES YES YES YES YES NO NO NO NO NO NO NO NO No longer in business NO No longer in business 30 days 30 days No longer in business
Warranty is Transferable YES YES YES YES YES NO NO NO NO NO NO NO NO No longer in business NO No longer in business NO NO No longer in business
Standard Warranty Period 2 years 2 years 2 years 2 years 2 years 1 year 1 year 1 year 1 year 1 year 1 year 1 year 1 year No longer in business 1 year No longer in business 1 year 1 year No longer in business