Spec
Ekrin B37
Renpho R3 Active
Price
$230
$80
Rating
4.8 ★
4.5 ★
Amplitude
12 mm
8 mm
Stall Force
56 lbs
30 lbs
Speeds
5
5
Battery
8 hrs
5 hrs
Weight
2.2 lbs
1.5 lbs
Noise
55 dB
45 dB
+8-hour battery life
+Lifetime warranty
–Smaller brand support network
–12mm amplitude only mid-pack
+45dB — library quiet
+USB-C charging
–Low stall force
–Basic attachments